Papers (International conference)

国際学会論文
  1. Hitoshi HONMA, Masahiko SAGAWA,
    "Multinomial Interpolation Using One-Dimensional DFT,"
    IEEE International Symposium on Circuits and Systems,
    no.R6EE.6L, 1st June, 1985.
  2. Masahiro IWAHASHI, Hitoshi HONMA, Masahiko SAGAWA,
    "Design of Two-Dimensinal Digital Filters with Fewer Multipliers and Adders,"
    China International Conference on Circuits and Systems,
    no..TP7-1, 1st July, 1989.
  3. Tohru CHINEN, Hitoshi HONMA, Masahiko SAGAWA,
    "A New Gradient Algorithm for FIR Adaptive Digital Filters Using Multirate Technique,"
    IEEE Midwest Symposium on Circuits and Systems,
    no.MAR1-6, 1st August, 1990.
  4. Hitoshi HONMA, Kazuhiro ITOH, Masahiko SAGAWA,
    "Efficient Design of DFT-QMF Banks with Equalizers,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.J-28, 1st December, 1990.
  5. Hiroshi OCHI, Hitoshi HONMA,
    "Low Sensitivity Realization of Linear Phase FIR Digital Filters Using Complex Arithmethic,"
    IEEE International Symposium on Circuits and Systems,
    no.WEPM2-172, 1st June, 1991.
  6. Hitoshi HONMA, Kiyoshi NISHIKAWA, Masahiko SAGAWA,
    "Consideration on Circular Convolution for Subband Image Coding,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.C2-5, 1st July, 1991.
  7. Hitoshi KIYA, Kiyoshi NISHIKAWA, Masahiko SAGAWA,
    "Some Properties of Circular Convolution in QMF Banks and Its Application to Subband Image Coding,"
    International Conference on DSP Applications ,
    1st October, 1991.
  8. Hitoshi KIYA, Satoshi YAMAGUCHI,
    "FSF (Frequency Sampling Fiter) Bank for Adaptive System Identification,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IV-261, 1st March, 1992.
    [Local]
  9. Kiyoshi NISHIKAWA, Hitoshi KIYA, Masahiko SAGAWA,
    "Property of Circular Convolution for Subband Image Coding,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IV-281, 1st March, 1992.
  10. Hitoshi KIYA, Mitsuo YAE, Masahiro IWAHASHI,
    "A Linear Phase Two-Channel Filter Bank Allowing Perfect Reconstruction,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1992.
  11. Masahiro IWAHASHI, Hitoshi KIYA, Kiyoshi NISHIKAWA,
    "Subband Coding of Images with Circular Convolution,"
    IEEE International Symposium on Circuits and Systems,
    pp.1356--1359, San Diego, CA, the U.S., 1st May, 1992.
  12. Masaki SHIMOYAMA, Hitoshi KIYA, Masahiko SAGAWA,
    "Interpolated Adaptive Digital Filter Having Faster Convergence Speed in Implementation Time,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.B3-4-1, 1st July, 1992.
  13. Kyoko MIYAZAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA, Masahiko SAGAWA,
    "A Parallel AR Spectral Estimation with Filter Banks,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.C4-5-1, 1st July, 1992.
  14. Shigenori KINJO, Hitoshi KIYA, Hiroshi OCHI, Seiki KYAN,
    "A New Realization of the Frequency Sampling Filter (FSF) Bank Suited for the Block Adaptive Filters,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.B3-1-1, 1st July, 1992.
  15. Shigenori KINJO, Hitoshi KIYA, Hiroshi OCHI,
    "An Efficient Realization of the Frequency Sampling Filter (FSF) Bank and Its Application to the Subband Adaptive Filters,"
    IEEE Midwest Symposium on Circuits and Systems,
    no.Tal2-4, 1st August, 1992.
  16. Hiroshi OCHI, Youji YAMADA, Hitoshi KIYA,
    "A New Class of Subband Adaptive Filter Using Alias-Free Maximally Decimated DFT-Bank,"
    International Symposium on Time-Frequency and Time-Scale Analysis,
    1st October, 1992.
  17. Kiyoshi NISHIKAWA, Kyoko MIYAZAKI, Hitoshi KIYA,
    "A Parallel AR Spectral Estimation Using a New Class of Filter Bank,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.WAJ-7, 1st April, 1993.
  18. Shogo MURAMATSU, Hitoshi KIYA,
    "Scale Factor of Resolution Conversion in Transform/Subband Domain,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1993.
  19. Yoshihiro ONO, Hitoshi KIYA, Masahiko SAGAWA,
    "An Equivalent Model for Adaptive System Identification with Clock Rate Conversion,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1993.
  20. Hiroshi OCHI, Shigenori KINJO, Hitoshi KIYA,
    "A New Frequency-Domain Adaptive Filter Based on the Frequency-Domain Sampling Theorem,"
    European Conference on Circuit Theory and Design,
    no.4.3, 1st August, 1993.
  21. Hirotatsu YAMAZAKI, Hitoshi KIYA,
    "A Class of Filter Bank with Alias-Free Frequency Points : FSF Bank,"
    European Conference on Circuit Theory and Design,
    no.24.4, 1st August, 1993.
  22. Takeo YOSHIDA, Hitoshi KIYA, Sachio NAITO,
    "Function Based on Data Flow for Hardware Description Languages and Functional Verification,"
    IEEE International Symposium on Fault-Tolerant Computing,
    1st December, 1993.
  23. Yoshihiro ONO, Hitoshi KIYA,
    "Performance Analysis of Subband Adaptive Systems Using an Equivalent Model,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    1st April, 1994.
  24. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "An LS Based New Gradient Type Algorithm,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    1st April, 1994.
  25. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Technique to Improve Convergence Speed of the LMS Algorithm,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1994.
  26. Shogo MURAMATSU, Hitoshi KIYA,
    "An Extended Overlap-Add Method and -Save Method for Sampling Rate Conversion,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1994.
  27. Kouji ASHIHARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Multirate Repeating Method to Improve Convergence Speed for Subband Adaptive Digital Filters,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1994.
  28. Hisashi SAKANE, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "An Extrapolation Algorithm with DFT Matrix for Discrete Time Signals,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1994.
  29. Masahiro IWAHASHI, Hitoshi KIYA,
    "A New Scalable Decoder for Drift Reduction,"
    Picture Coding Symposium,
    1st September, 1994.
  30. Shogo MURAMATSU, Hitoshi KIYA,
    "Multidimensional Parallel Processing Methods for Rational Sampling Lattice Alteration,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1995.
  31. Kouji ASHIHARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Improvement of Convergence Speed for Subband Adaptive Digital Filters Using the Multirate Repeating Method,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    1st May, 1995.
  32. XiaoXia ZOU, Shogo MURAMATSU, Hitoshi KIYA,
    "Optimum Block Size of Discrete Sine and Cosine Transforms for Symmetric Convolution,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.SP6-4, 1st July, 1995.
  33. Hisashi SAKANE, Akihiko UEKI, Hitoshi KIYA,
    "A Discrete Gerchberg-Papoulis Algorithm Based on DCT,"
    Joint Technical Conference on Circuits/Systems, Computers and Communications,
    no.SP6-1, 1st July, 1995.
  34. Takeshi UCHIDA, Hitoshi KIYA, Akihiko YAMADA,
    "Generating a Hierarchical Simulation Model on the Basis of Functional Model of Register Transfers,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1996.
  35. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Adaptive Filters Based on Two-Dimensional LMS Algorithm,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1996.
  36. Kuniyuki KAJITA, Hiroyuki KOBAYASHI, Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "Design Methods for Oversampled DFT Filter Banks,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1996.
  37. Shigenori KINJO, Hiroshi OCHI, Hitoshi KIYA,
    "A New Two-Dimensional Parallel Block Adaptive Digital Filter,"
    IEEE Midwest Symposium on Circuits and Systems,
    1st August, 1996.
  38. Shogo MURAMATSU, Hitoshi KIYA,
    "A New Design Method of Linear-Phase Paraunitary Filter Banks with an Odd Number of Channels,"
    EURASIP European Signal Processing Conference,
    1st September, 1996.
  39. Hisashi SAKANE, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Super-Resolution Method Based on the Discrete Cosine Transforms,"
    EURASIP European Signal Processing Conference,
    1st September, 1996.
  40. Kuniyuki KAJITA, Hiroyuki KOBAYASHI, Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "A Design Method of Oversampled Paraunitary DFT Filter Banks Using House-Holder's Factorization,"
    EURASIP European Signal Processing Conference,
    1st September, 1996.
  41. XiaoXia ZOU, Shogo MURAMATSU, Hitoshi KIYA,
    "The Generalized Overlap-Add and Overlap-Save Methods Using Discrete Sine and Cosine Transforms for FIR Filtering,"
    IEEE International Conference on Signal Processing,
    1st October, 1996.
  42. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A New Pipelined Architecture of the LMS Algorithm without Degradation of Convergence Characteristics,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    1st April, 1997.
  43. XiaoXia ZOU, Shogo MURAMATSU, Hitoshi KIYA,
    "Block Sampling Rate Conversion for Delay Reduction,"
    IEEE International Symposium on Circuits and Systems,
    1st June, 1997.
  44. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined LMS Adaptive Filter Using a New Look-Ahead Transformation,"
    IEEE International Symposium on Circuits and Systems,
    1st June, 1997.
  45. Kazuhiro KOJIMA, Hitoshi KIYA,
    "Two-Channel QMF Banks with Ringing Constraints,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1997.
  46. Takuya YAMAUCHI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Structure of Delayless Subband Adaptive Filter Using Hadamard Transformation,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    1st July, 1997.
  47. Seiji WATANABE, Hitoshi KIYA, Kiyoshi NISHIKAWA, Nobuo FUJII,
    "A Design Method of Rate Converters Based on Adaptive Filters,"
    European Conference on Circuit Theory and Design,
    1st September, 1997.
  48. Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "A Design Method of Multidimensional Linear-Phase Paraunitary Filter Banks with a Lattice Structure,"
    IEEE Region 10 Conference,
    1st December, 1997.
  49. Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "The Two-Dimensional Lapped Hadamard Transform,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1998.
  50. Tadaaki KIMIJIMA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelining of 2-Dimensional Adaptive Filters Based on the LDLMS Algorithm,"
    IEEE International Symposium on Circuits and Systems,
    1st May, 1998.
  51. Youji YAMADA, Hitoshi KIYA,
    "A Frequency Domain Estimation Algorithm for Impulse Response,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, 1st July, 1998.
  52. Hitoshi KIYA, Jun FURUKAWA, Yoshihiro NOGUCHI,
    "Block Matching Motion Estimation Using Less Gray Level Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, 1st July, 1998.
  53. Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "A Design Method of 2-D Axial-Symmetric Paraunitary Filter Banks with a Lattice Structure,"
    EURASIP European Signal Processing Conference,
    1st September, 1998.
  54. Yasuhiro HARADA, Shogo MURAMATSU, Hitoshi KIYA,
    "Multidimensional Multirate Filter without Checkerboard Effects,"
    EURASIP European Signal Processing Conference,
    1st September, 1998.
  55. Tadaaki KIMIJIMA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Pipelined Architecture for DLMS Algorithm Considering Both Hardware Complexity and Output Latency,"
    EURASIP European Signal Processing Conference,
    1st September, 1998.
  56. Kazuhiro KOJIMA, Hitoshi KIYA,
    "Generalizations of the Image Resolution Conversions in DCT-Domain Using 8 Points Inversed DCT,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    1st November, 1998.
  57. Akio HARADA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Pipelined Architecture for the Normalized LMS Adaptive Digital Filters,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    1st November, 1998.
  58. Hitoshi KIYA, Yoshihiro NOGUCHI, Ayuko TAKAGI, Hiroyuki KOBAYASHI,
    "A Method of Inserting Binary Data into MPEG Bitstreams,"
    IEEE International Symposium on Circuits and Systems,
    vol.4, no.65.9, pp.471--474, 1st May, 1999.
  59. Ayuko TAKAGI, Hitoshi KIYA, Shogo MURAMATSU, Akihiko YAMADA,
    "Consideration on Low Power Motion Estimation with Less Gray Level Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, pp.9--12, Niigata, Japan, 1st July, 1999.
  60. Kenji SAKAMOTO, Shogo MURAMATSU, Hitoshi KIYA, Akihiko YAMADA,
    "A VLSI Architecture of Motion Estimator with 8x8 Block Mode for MPEG4 and Its VHDL Model,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, 1st July, 1999.
  61. Kiyoshi NISHIKAWA, Yasuhiro OKADA, Hitoshi KIYA,
    "The Effect of the Order Difference between Adaptive Filter and Unknown System on Adaptive Characteristic under Colored Signal,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.2, 1st July, 1999.
  62. Shogo MURAMATSU, Hitoshi KIYA, Akihiko YAMADA,
    "A Unified Module Architecture for Forward and Inverse Discrete Wavelet Transforms,"
    European Conference on Circuit Theory and Design,
    vol.1, 1st September, 1999.
  63. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Low Computational Complexity Implementation of Pipelined RLS Adaptive Filters,"
    European Conference on Circuit Theory and Design,
    vol.2, Streasa, Italy, 1st September, 1999.
  64. Hitoshi KIYA, Yoshihiro NOGUCHI, Ayuko TAKAGI, Hiroyuki KOBAYASHI,
    "A Method of Inserting Binary Data into MPEG Bitstreams for Video Index Labeling,"
    IEEE International Conference on Image Processing,
    no.28AP2.10, Kobe, Japan, 1st October, 1999.
  65. Yoshihiro NOGUCHI, Jun FURUKAWA, Hitoshi KIYA,
    "A Fast Full Search Block Matching Algorithm for MPEG-4 Video,"
    IEEE International Conference on Image Processing,
    Kobe, Japan, 1st October, 1999.
  66. Hitoshi KIYA, Hiroyuki KOBAYASHI, Osamu WATANABE,
    "Design of Integer Wavelet Filters for Image Compression,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.1-Feb, pp.717--720, Phuket, Thailand, 1st December, 1999.
  67. Yoshihiro NOGUCHI, Jun FURUKAWA, Hitoshi KIYA,
    "A Fast Full Search Block Matching Algorithm for MPEG-4 Video,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Phuket, Thailand, 1st December, 1999.
  68. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Fast Implementation Technique for Improving Throughput of RLS Adaptive Filters,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    Istanbul, Turkey, 1st June, 2000.
  69. Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Representation of Wavelet Transform Using a Matrix Form and Its Implementation,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    pp.282--285, Pusan, Korea, 1st July, 2000.
  70. Takeo NIKI, Rikita YAMADA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "High Throughput Implementation of RLS Algorithm Using Fewer Processing Units,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    Pusan, Korea, 1st July, 2000.
  71. Yoshihiro NOGUCHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Method of Extracting Embedded Binary Data from JPEG Bitstreams Using Standard JPEG Decoder,"
    IEEE International Conference on Image Processing,
    no.MP03.01, Vancouver, Canada, 1st September, 2000.
  72. Ayuko TAKAGI, Shogo MURAMATSU, Hitoshi KIYA,
    "Motion Estimation with Power Scalability and Its VHDL Model,"
    IEEE International Conference on Image Processing,
    no.WA04.06, Vancouver, Canada, 1st September, 2000.
  73. Go MASUI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "2D Blind System Identification Using Adaptive Algorithms,"
    IEEE Region 10 Conference,
    vol.II, pp.77--80, Kuala Lumpur, Malaysia, 1st September, 2000.
  74. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Novel Implementation Technique of RLS Algorithm for Improving Throughput of Adaptive Filters,"
    EURASIP European Signal Processing Conference,
    Tampere, Finland, 1st September, 2000.
  75. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Improving the Throughput of RLS Adaptive Filters with Only a Few Processing Elements,"
    SSPATJ International Workshop on Signal Processing Applications and Technology,
    Tokyo, 1st October, 2000.
  76. Katsutoshi ANDO, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "An Expansion of Visual Frequency Weighting for Image Coding with Wavelet Transform,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.1, pp.80--85, ホノルル,アメリカ合衆国, 1st November, 2000.
  77. Osamu WATANABE, Hiroshige ASANO, Hitoshi KIYA,
    "A Representation of Palette-Based Images for Progressive Transmitting,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    vol.1, no.A7-1-3, pp.343--346, Honolulu, HI, the U.S., 1st November, 2000.
  78. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "New Structure of Affine Projection Algorithm Using a Novel Subband Adaptive System ,"
    IEEE Signal Processing Adavances in Wireless Communications,
    Taoyuan, Taiwan, R.O.C., 1st March, 2001.
  79. Ayuko TAKAGI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Low-Bit Motion Estimation with Edge Enhanced Images for Lowpower MPEG Encoder,"
    IEEE International Symposium on Circuits and Systems,
    no.T16-MRm4-O1, Sydney, Australia, 1st May, 2001.
  80. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Normalized LMS Algorithm for Alias Free Subband Adaptive Filters,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, no.D4-2, pp.580--583, Tokushima, Japan, 1st July, 2001.
  81. Osamu WATANABE, Hitoshi KIYA,
    "Hierarchical Lossless Image Coding Using Integer Wavelet Transform,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.2, no.C9-3, pp.1204--1207, Tokushima, Japan, 1st July, 2001.
  82. Masayuki KUROSAKI, Hitoshi KIYA,
    "Error Concealment Using a Data Hiding Technique for MPEG Video,"
    European Conference on Circuit Theory and Design,
    vol.3, pp.81--84, Espoo, Finland, 1st August, 2001.
  83. Katsutoshi ANDO, Osamu WATANABE, Hitoshi KIYA,
    "Partial-Scrambling of Still Images Based on JPEG2000,"
    International Conference on Information, Communications and Signal Processing,
    no.P0408, Singapore, 1st October, 2001.
  84. Ayuko TAKAGI, Masayuki KUROSAKI, Hitoshi KIYA,
    "The Effective Method for Applying JPEG2000 to QCIF Video Coding,"
    International Workshop on Advanced Image Technology,
    no.6月2日, pp.119--123, Hualien, Taiwan, R.O.C., 1st January, 2002.
  85. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Scheme without Using Reference Images for Monitoring On-Air Video Images,"
    International Conference on Fundamentals of Electronics, Communications and Computer Sciences,
    no.SS2-2, pp.6--11, Tokyo, Japan, 1st March, 2002.
  86. Shoko IMAIZUMI, Ayuko TAKAGI, Hitoshi KIYA,
    "Lossless Inter-Frame Video Coding Using Extended JPEG2000,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    Phuket, Thailand, 1st July, 2002.
  87. Ayuko TAKAGI, Hitoshi KIYA,
    "Interleaved Multiple Image Coding Using JPEG2000,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    プーケット,タイ, 1st July, 2002.
  88. Khairul Munadi, Masayuki KUROSAKI, Hitoshi KIYA,
    "Error Concealment Using a Digital Watermarking Technique for Interframe Video Coding ,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    pp.599--602, Phuket, Thailand, 1st July, 2002.
  89. Osamu WATANABE, Hitoshi KIYA,
    "Lossless JPEG2000 Coding for Lossy Images and Its Applications,"
    EURASIP European Signal Processing Conference,
    vol.CDROM, no.P-302, Toulouse, France, 1st September, 2002.
  90. Katsutoshi ANDO, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Method for Embedding Binary Data into JPEG2000 Bit Streams Based on the Layer Structure,"
    EURASIP European Signal Processing Conference,
    no.308, Toulouse, France, 1st September, 2002.
  91. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Scheme Allowing the Desired Image Quality with No Limitation on the Distribution of Watermark Sequences,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.C6-3, pp.373--377, Kaohsiung, Taiwan, R.O.C., 1st November, 2002.
  92. Masayuki KUROSAKI, Khairul Munadi, Hitoshi KIYA,
    "Error Concealment Using Layer Structure for JPEG2000 Images ,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    Singapore, 1st December, 2002.
  93. Osamu WATANABE, Hitoshi KIYA,
    "An Extention of ROI-Based Scalability for Progressive Transmission in JPEG2000 Coding ,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    vol.1, pp.535--540, Singapore, 1st December, 2002.
  94. Ayuko TAKAGI, Hitoshi KIYA,
    "Lossless Video Coding Using Interleaved Multiple Frames,"
    International Workshop on Advanced Image Technology,
    pp.329--334, Nagasaki, Japan, 1st January, 2003.
  95. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Error Protection for JPEG2000 Encoded Images and Its Evaluation over OFDM Channel,"
    IEEE International Symposium on Circuits and Systems,
    vol.II, pp.432--435, Bangkok, Thailand, 26th May, 2003.
  96. Osamu WATANABE, Hitoshi KIYA,
    "ROI-Based Scalability for Progressive Transmission in JPEG2000 Coding,"
    IEEE International Symposium on Circuits and Systems,
    vol.II, pp.416--419, Bangkok, Thailand, 26th May, 2003.
  97. Katsuyuki MATSUI, Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Method Retaining the Desired Image-Quality for Binary Sequences,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, pp.112--115, Kangwon-do, Korea, 7th July, 2003.
  98. Yusuke SEKI, Masayuki KUROSAKI, Hitoshi KIYA,
    "Error Correction Using a Data Hiding Technique for MPEG Video,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, pp.382--385, Kangwon-do, Korea, 7th July, 2003.
  99. Masayuki KUROSAKI, Khairul Munadi, Hitoshi KIYA,
    "Error Correction Using Data Hiding Technique for JPEG2000 Images ,"
    IEEE International Conference on Image Processing,
    no.CD-ROM, Barcelona, Spain, 17th September, 2003.
  100. Hitoshi KIYA, Shoko IMAIZUMI, Osamu WATANABE,
    "Partial-Scrambling of Image Encoded Using JPEG2000 without Generating Marker Codes,"
    IEEE International Conference on Image Processing,
    no.WA-P1.3, Barcelona, Spain, 17th September, 2003.
    [Local]
  101. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Robust Error Protection Technique for JPEG2000 Codestream and Its Evaluation in CDMA Environment,"
    IEEE Asia-Pacific Conference on Communications,
    vol.2, pp.654--658, Penang, Malaysia, 23th September, 2003.
  102. Osamu WATANABE, Hitoshi KIYA,
    "Low-Memory Method of Cross-Fading for JPEG2000 Images,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.D3-3, pp.389--392, Awaji Island, Japan, 8th December, 2003.
  103. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Removable Watermarking Scheme Retaining the Desired Image Quality,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.A5-3, pp.538--542, Awaji Island, Japan, 9th December, 2003.
  104. Ayuko TAKAGI, Hitoshi KIYA,
    "Scrambling of MPEG Video Suitable for Image Search,"
    International Workshop on Advanced Image Technology,
    pp.135--139, Singapore, 12th January, 2004.
  105. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Quantization-Based Watermarking Scheme Allowing a Desired Image-Quality Using a DWT,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.6E2L-3, Matsushima, Japan, 6th July, 2004.
  106. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Data Hiding Method for Indexing JPEG-Coded Images and Theoretical Analyses of Image-Quality,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.7F3P-49, Matsushima, Japan, 7th July, 2004.
  107. Osamu WATANABE, Akiko NAKAZAKI, Hitoshi KIYA,
    "A Fast Scrambling Method for JPEG 2000 Images Using Public-Key Encryption,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.7F3P-51, Matsushima, Japan, 7th July, 2004.
  108. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Efficient Scheme of Packet Loss Recovery for JPEG2000 Images Allowing Backward Compatibility with a Standard Decoder,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.7F3P-7, Matsushima, Japan, 7th July, 2004.
  109. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Packet Loss Recovery for RTP-Based Transmission of JPEG2000 Images Enabling Backward Compatibility with Standard Decoder,"
    IEEE Midwest Symposium on Circuits and Systems,
    vol.I, pp.265--268, Hiroshima, Japan, 27th July, 2004.
  110. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Packetization Strategy for Transmission of JPEG2000 Images over Lossy Packet Networks,"
    Indonesia-Japan Joint Scientific Symposium,
    pp.235--240, Chiba, Japan, 21th October, 2004.
  111. Fitri Arnia, Khairul Munadi, Hitoshi KIYA,
    "Enhancing Audio Quality of A-DFT Based Audio Adaptive Watermarking,"
    Indonesia-Japan Joint Scientific Symposium,
    Chiba, Japan, 21th October, 2004.
  112. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Efficient Packet Loss Protection for JPEG2000 Images Enabling Backward Compatibility with a Standard Decoder,"
    IEEE International Conference on Image Processing,
    no.MP-P2.10, pp.833--836, Singapore, 25th October, 2004.
  113. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Image-Quality Guaranteed Watermarking Scheme with Spreading Spectrum of Watermark,"
    IEEE International Symposium on Communications and Information Technologies,
    vol.1, no.27PM2C-5, pp.330--334, Sapporo, Japan, 27th October, 2004.
    [DOI] [webpage] [Publish]
  114. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Image-Quality Guaranteed Method for Quantization-Based Watermarking Using a DWT,"
    IEEE International Conference on Image Processing,
    vol.4, no.WA-P2.5, pp.2629--2632, Singapore, 27th October, 2004.
    [DOI] [webpage] [Publish]
  115. Osamu WATANABE, Akiko NAKAZAKI, Hitoshi KIYA,
    "A Fast Image-Scramble Method Using Public-Key Encryption Allowing Backward Compatibility with JPEG2000,"
    IEEE International Conference on Image Processing,
    no.WP-P7.6, pp.3435--3438, Singapore, 27th October, 2004.
  116. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Robust Image Authentication Using Hash Function,"
    IEEE Region 10 Conference,
    no.1135, Chiang Mai, Thailand, 24th November, 2004.
  117. Masayuki KUROSAKI, Akemi IKEDA, Khairul Munadi, Hitoshi KIYA,
    "Packet Analyzer for JPEG2000 Codestreams and Its VHDL Model,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    no.P3.22, pp.905--908, Tainan, Taiwan, R.O.C., 9th December, 2004.
  118. Ayuko TAKAGI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Scalable Scrambling for MPEG Video,"
    International Workshop on Advanced Image Technology,
    no.PS1_8, pp.91--96, Jeju, Korea, 10th January, 2005.
  119. Shin'ichi NAGAWARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Image Quality Improvement Scheme by Discarding Coding Pass for Transmitting Motion JPEG 2000 Streams over RTP,"
    International Workshop on Advanced Image Technology,
    no.PS1_6, pp.79--84, Jeju, Korea, 10th January, 2005.
  120. Osamu WATANABE, Akiko NAKAZAKI, Hitoshi KIYA,
    "A Scalable Encryption Method Allowing Backward Compatibility with JPEG2000 Images,"
    IEEE International Symposium on Circuits and Systems,
    no.C4P-Y.5, pp.6324--6327, Kobe, Japan, 26th May, 2005.
  121. Yusuke SEKI, Hiroyuki KOBAYASHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Quantization-Based Image Steganography without Data Hiding Position Memorization,"
    IEEE International Symposium on Circuits and Systems,
    no.C2L-R.5, pp.4987--4990, Kobe, Japan, 26th May, 2005.
    [DOI] [webpage] [Publish]
  122. Masaaki FUJIYOSHI, Yoshiaki ISAWA, Shin'ichi NAGAWARA, Hitoshi KIYA,
    "Spatial Subsampling MD Coding with Code Block-Based Error Concealment for JPEG 2000 Coded Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, no.TF1-3, pp.55--56, Jeju, Korea, 5th July, 2005.
  123. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Low Delay Interleaved FEC for Robust JPEG2000 Video Streaming,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, no.TF2-2, pp.233--234, Jeju, Korea, 5th July, 2005.
  124. Fitri Arnia, Ikue IIZUKA, Yuji NAKANO, Ayuko TAKAGI, Hitoshi KIYA,
    "Compressed Domain Based Image Authentication for JPEG Coded Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.4, no.THC3-2, pp.1465--1466, Jeju, Korea, 7th July, 2005.
  125. Masaaki FUJIYOSHI, Yusuke SEKI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Modulo Arithmetic-Based Image Watermarking and Its Theoretical Analysis of Image-Quality,"
    IEEE International Conference on Image Processing,
    vol.I, no.MonPmPO4.5, pp.969--972, Genoa, Italy, 12th September, 2005.
    [DOI] [webpage] [Publish]
  126. Shoko IMAIZUMI, Osamu WATANABE, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Generalized Hierarchical Encryption of JPEG 2000 Codestreams for Access Control,"
    IEEE International Conference on Image Processing,
    vol.II, no.TuePmPO5.6, pp.1094--1097, Genoa, Italy, 13th September, 2005.
    [DOI] [webpage] [Publish]
  127. Khairul Munadi, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Low Delay Pre-FEC Interleaving Scheme for Robust JPEG2000 Video Streaming in Packet Loss Environment,"
    International Workshop on Advanced Image Technology,
    no.S04-7, pp.142--147, Okinawa, Japan, 9th January, 2006.
  128. Fitri Arnia, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Fast and Robust Identification Methods for JPEG-Coded Images,"
    International Workshop on Advanced Image Technology,
    no.S12-4, pp.414--419, Okinawa, Japan, 10th January, 2006.
  129. Fitri Arnia, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Fast and Robust Identification Methods for JPEG Images with Various Compression Ratios,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    vol.II, no.IMDSP-P4.6, Toulouse, France, 16th May, 2006.
    [DOI] [webpage] [Publish]
  130. Ikue IIZUKA, Fitri Arnia, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Consideration on DCT Sign Only Correlation for Image Identification,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.II, no.WPM2-6-3, pp.481--484, Chiang Mai, Thailand, 12th July, 2006.
  131. Kuniaki YOSHIDA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Spatial Segmentation Method of Images without Boundary Distortion for DWT,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.II, no.WAM1-6-1, pp.93--96, Chiang Mai, Thailand, 12th July, 2006.
  132. Masaaki FUJIYOSHI, Wataru SAITOU, Shoko IMAIZUMI, Hitoshi KIYA,
    "Hierarchical Cipher for Controlling Access to Multimedia Contents,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.II, no.WAM1-4-4, pp.69--72, Chiang Mai, Thailand, 12th July, 2006.
  133. Kota ENDO, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Alias Free Subband Adaptive Filter Based on Recursive Least Squares Algorithm for Finite Word-Length,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.III, no.ThPM2-1-3, pp.385--388, Chiang Mai, Thailand, 13th July, 2006.
  134. Youji YAMADA, Patrick J. FRANTZ, Hitoshi KIYA,
    "A Frequency Domain Estimation Algorithm Allowing Broadband Feedforward Active Noise Control Systems,"
    IEEE Digital Signal Processing Workshop,
    no.T5-8, Wyoming, US, 26th September, 2006.
  135. Masaaki FUJIYOSHI, Wataru SAITOU, Osamu WATANABE, Hitoshi KIYA,
    "Hierarchical Encryption of Multimedia Contents for Access Control,"
    IEEE International Conference on Image Processing,
    no.TP-P4.7, pp.1977--1980, Atlanta, GA, U.S., 10th October, 2006.
    [DOI] [webpage] [Publish]
  136. Fitri Arnia, Ikue IIZUKA, Hiroyuki KOBAYASHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "DCT Sign Only Correlation and Its Application to Image Registration,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    no.D1-PM2-RM7.3, pp.467--470, Singapore, 5th December, 2006.
    [DOI] [webpage] [Publish]
  137. Khairul Munadi, Masaaki FUJIYOSHI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Codeblock-Based Concealment Scheme for JPEG2000 Images in Lossy Packet Networks,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    no.D3-PM1-RM4.1, pp.1849--1852, Singapore, 7th December, 2006.
    [DOI] [webpage] [Publish]
  138. Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Lossless Data Embedding in the Spatial Domain,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.WPM1-2-3, pp.163--166, Yonago, Japan, 13th December, 2006.
    [DOI] [webpage] [Publish]
  139. Seungwu HAN, Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Lossless Data Hiding in the Spatial Domain for Image Tamper Detection,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.TPM2-5-1, pp.760--763, Yonago, Japan, 14th December, 2006.
    [DOI] [webpage] [Publish]
  140. Keijiro KUROIWA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Codestream Length-Invariant Partial Scrambler Using DCT Signs for Motion JPEG Movies,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.FAM1-1-4, pp.821--824, Yonago, Japan, 15th December, 2006.
    [DOI] [webpage] [Publish] [Local]
  141. Izumi ITO, Hitoshi KIYA,
    "Modified Phase-Only Correlation Using the Sign of DCT Coefficients with Application to Image Matching,"
    International Workshop on Advanced Image Technology,
    no.P3-14, pp.308--313, Bangkok, Thailand, 8th January, 2007.
  142. Mirei KIHARA, Qing Tao WAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Image Tamper Detection Using Mathematical Morphology and Its Application,"
    International Workshop on Advanced Image Technology,
    no.P3-16, pp.318--323, Bangkok, Thailand, 8th January, 2007.
  143. Khairul Munadi, Masaaki FUJIYOSHI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "QoS Estimation Based on PSNR for Motion JPEG2000 Video in Lossy Packet Networks,"
    International Workshop on Advanced Image Technology,
    no.P2-04, pp.511--516, Bangkok, Thailand, 8th January, 2007.
  144. Osamu WATANABE, Akio KAWANA, Hitoshi KIYA,
    "An Identification Method for JPEG 2000 Images Using the Signs of DWT Coefficients,"
    International Workshop on Advanced Image Technology,
    no.P3-43, pp.846--850, Bangkok, Thailand, 9th January, 2007.
  145. Izumi ITO, Hitoshi KIYA,
    "DCT Sign-Only Correlation with Application to Image Matching and the Relationship with Phase-Only Correlation,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    vol.I, no.IMDSP-P15.1, pp.1237--1240, Honolulu, HI, US, 20th April, 2007.
  146. Seungwu HAN, Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Image Authentication Based on Invertible Data Hiding with Multi-Tiers,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, no.MG2-3, pp.143--144, Busan, Korea, 9th July, 2007.
  147. Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Improvement in the Image Quality and the Capacity of the Reversible Data Hiding,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    vol.1, no.MF2-7, pp.135--136, Busan, Korea, 9th July, 2007.
  148. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Yoshito ABE, Hitoshi KIYA,
    "Collusion Attack-Resilient Hierarchical Encryption of JPEG 2000 Codestreams with Scalable Access Control,"
    IEEE International Conference on Image Processing,
    vol.II, no.MP-L5.3, pp.137--140, San Antonio, TX, the U.S., 17th September, 2007.
    [DOI] [webpage] [Publish]
  149. Fitri Arnia, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Fast Method for Joint Retrieval and Identification of JPEG Coded Images Based on DCT Sign,"
    IEEE International Conference on Image Processing,
    vol.II, no.MP-P1.10, pp.229--232, San Antonio, TX, the U.S., 17th September, 2007.
    [DOI] [webpage] [Publish]
  150. Masaaki FUJIYOSHI, Shuji SATO, Hong Lin JIN, Hitoshi KIYA,
    "A Location-Map Free Reversible Data Hiding Method Using Block-Based Single Parameter,"
    IEEE International Conference on Image Processing,
    vol.III, no.TA-P2.5, pp.257--260, San Antonio, TX, the U.S., 18th September, 2007.
    [DOI] [webpage] [Publish]
  151. Keijiro KUROIWA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Codestream Domain Scrambling of Moving Objects Based on DCT Sign-Only Correlation for Motion JPEG Movies,"
    IEEE International Conference on Image Processing,
    vol.V, no.WA-L5.8, pp.157--160, San Antonio, TX, the U.S., 19th September, 2007.
    [DOI] [webpage] [Publish] [Local]
  152. Mirei KIHARA, Masaaki FUJIYOSHI, Qing Tao WAN, Hitoshi KIYA,
    "Image Tamper Detection Using Mathematical Morphology,"
    IEEE International Conference on Image Processing,
    vol.VI, no.WP-L4.2, pp.101--104, San Antonio, TX, the U.S., 19th September, 2007.
    [DOI] [webpage] [Publish]
  153. Fitri Arnia, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "The Use of DCT Coefficient Sign for Content-Based Copy Detection,"
    IEEE International Symposium on Communications and Information Technologies,
    no.F5B-6, pp.1476--1481, Sydney, NSW, Australia, 19th October, 2007.
    [DOI] [webpage] [Publish]
  154. Mirei KIHARA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Morphological Image Tamper Detecting Method Considering Robustness against Compression,"
    International Workshop on Advanced Image Technology,
    no.B3-4, Hsinchu, Taiwan, R.O.C., 7th January, 2008.
    [Local]
  155. Izumi ITO, Hitoshi KIYA,
    "DCT Sign Only Image and Its Application to Phase Only Correlation,"
    International Workshop on Advanced Image Technology,
    no.A3-5, Hsinchu, Taiwan, R.O.C., 7th January, 2008.
    [Local]
  156. Takahiro FUKUHARA, Kazuhisa HOSAKA, Hitoshi KIYA,
    "Accurate Identifying Method of JPEG2000 Images for Digital Cinema,"
    ACM/IEEE International Multimedia Modeling Conference,
    no.2Op-1, pp.380--390, Kyoto, JAPAN, 10th January, 2008.
    [DOI] [webpage] [Publish] [Local]
  157. Hitoshi KIYA, Masahiro IWAHASHI, Osamu WATANABE,
    "A New Class of Lifting Wavelet Transform for Guaranteeing Losslessness of Specific Signals,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.SPTM-L1.4, pp.3273--3276, Las Vegas, NV, U.S., 1st April, 2008.
    [DOI] [webpage] [Publish] [Local]
  158. Hitoshi KIYA, Masahiro IWAHASHI, Osamu WATANABE,
    "A New Structure of Lifting Wavelet for Reducing Rounding Error,"
    IEEE International Symposium on Circuits and Systems,
    no.C3L-C.2, pp.2881--2884, Seattle, WA, U.S., 21th May, 2008.
    [DOI] [webpage] [Publish] [Local]
  159. Ryo HOSAKA, Fitri Arnia, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Scrambling Method for JPEG Coded Images Enabling Image Retrieval from Scrambled Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.A3-3, pp.49--52, Shimonoseki, Yamaguchi, Japan, 7th July, 2008.
    [webpage] [Publish] [Local]
  160. Michihiko ONO, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Location Map-Free Reversible Data Hiding Method Inserting Data to Image Edges,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.A3-5, pp.57--60, Shimonoseki, Yamaguchi, Japan, 7th July, 2008.
    [webpage] [Publish] [Local]
  161. Atsushi IMAMIZU, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Method for Estimating Amount of Delay of Sparse Channel Based on Phase-Only Correlation,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.F6-1, pp.897--900, Shimonoseki, Yamaguchi, Japan, 9th July, 2008.
    [webpage] [Publish] [Local]
  162. Hitoshi KIYA, Izumi ITO,
    "Image Matching between Scrambled Images for Secure Data Management,"
    EURASIP European Signal Processing Conference,
    no.L4-3.5, Lausanne, Switzerland, 28th August, 2008.
    [Publish] [Local]
  163. Izumi ITO, Hitoshi KIYA,
    "A New Class of Image Registration for Guaranteeing Secure Data Management,"
    IEEE International Conference on Image Processing,
    no.MA-PA.5, pp.269--272, San Diego, CA, the U.S., 13th October, 2008.
    [DOI] [webpage] [Publish] [Local]
  164. Masaaki FUJIYOSHI, Keijiro KUROIWA, Hitoshi KIYA,
    "A Scrambling Method for Motion JPEG Videos Enabling Moving Objects Detection from Scrambled Videos,"
    IEEE International Conference on Image Processing,
    no.MP-L5.6, pp.773--776, San Diego, CA, the U.S., 13th October, 2008.
    [DOI] [webpage] [Publish] [Local]
  165. Noriaki HASHIMOTO, Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Hierarchical Encryption Using Short Encryption Keys for Scalable Access Control of JPEG 2000 Coded Images,"
    IEEE International Conference on Image Processing,
    no.WP-PG.4, pp.3116--3119, San Diego, CA, the U.S., 15th October, 2008.
    [DOI] [webpage] [Publish] [Local]
  166. Takahiro FUKUHARA, Katsutoshi ANDO, Hitoshi KIYA,
    "Efficient Lossless to Lossy Transcoding of JPEG2000 Codestreams for D-Cinema,"
    SMPTE Annual Technical Conference and Exhibition,
    Hollywood, CA, the U.S., 29th October, 2008.
  167. Seungwu HAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Location Map-Free Visible and Reversible Watermarking Method with Authentication Ability,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    no.C4L-F03, pp.1584--1587, Macao, P.R.C., 3rd December, 2008.
    [DOI] [webpage] [Publish] [Local]
  168. Seungwu HAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Reversible Image Authentication Method Free from Location Map and Parameter Memorization,"
    International Workshop on Advanced Image Technology,
    Seoul, Korea, 12th January, 2009.
    [Local]
  169. Izumi ITO, Atsushi UEMURA, Hitoshi KIYA,
    "Extension of DCT Sign Phase Correlation to Subpixel Registration,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.TAM1-3-3, pp.37--40, Bangkok, Thailand, 9th February, 2009.
    [DOI] [webpage] [Publish] [Local]
  170. Masahiro IWAHASHI, Hitoshi KIYA,
    "Finite Word Length Error Analysis Based on Basic Formula of Rounding Operation,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.TAM1-4-1, pp.49--52, Bangkok, Thailand, 9th February, 2009.
    [DOI] [webpage] [Publish] [Local]
  171. Yoshihide TONOMURA, Daisuke SHIRAI, Takayuki NAKACHI, Tatsuya FUJII, Hitoshi KIYA,
    "Layered LDGM Codes for Scalable Video Streaming over Packet Erasure Channels,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.TPM2-4-1, pp.248--251, Bangkok, Thailand, 9th February, 2009.
    [DOI] [webpage] [Publish] [Local]
  172. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Joint Bitstream Level Identification and Retrieval Method of JPEG 2000 Images for Digital Cinema,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.WAM1-3-2, pp.328--331, Bangkok, Thailand, 10th February, 2009.
    [DOI] [webpage] [Publish] [Local]
  173. Izumi ITO, Hitoshi KIYA,
    "Multiple-Peak Model Fitting Function for DCT Sign Phase Correlation with Non-Integer Shift Precision,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.BISP-P1.12, pp.449--452, Taipei, Taiwan, R.O.C., 21th April, 2009.
    [DOI] [webpage] [Publish] [Local]
  174. Izumi ITO, Hitoshi KIYA,
    "Phase Scrambling for Blind Image Matching,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IFS-P2.9, pp.1521--1524, Taipei, Taiwan, R.O.C., 23th April, 2009.
    [DOI] [webpage] [Publish] [Local]
  175. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Efficient Collusion Attack-Free Access Control for Multidimensionally Hierarchical Scalability Content,"
    IEEE International Symposium on Circuits and Systems,
    no.A3L-F-4, pp.505--508, Taipei, Taiwan, R.O.C., 25th May, 2009.
    [DOI] [webpage] [Publish] [Local]
  176. Atsushi UEMURA, Masaaki FUJIYOSHI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Sign Summation Image and Its Application to Robust Image Registration,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.S8-B2.6, pp.360--363, Jeju, Korea, 6th July, 2009.
    [Local]
  177. Shouhei KAMIMURA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Geometric Compensation Method for Image Watermarking Schemes and Its Required Accuracy,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.S14-B3.1, pp.537--540, Jeju, Korea, 6th July, 2009.
    [Local]
  178. Hiroaki IWAI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Methods for Avoiding the Checkerboard Distortion Caused by Rounding Error in Multirate System,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.S20-B4.1, pp.697--700, Jeju, Korea, 7th July, 2009.
    [Local]
  179. Seungwu HAN, Masaaki FUJIYOSHI, Hae-Kwang KIM, Hitoshi KIYA,
    "Reversible Data Hiding with Hierarchical Access Control for Medical Imagery,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.S34-E6.2, pp.111--114, Jeju, Korea, 7th July, 2009.
    [Local]
  180. Masaaki FUJIYOSHI, Seungwu HAN, Hitoshi KIYA,
    "Reversible Information Hiding Considering Hierarchical Access Control,"
    IEEE International Conference on Information Assurance and Security,
    vol.I, no.A07-04, pp.209--212, Xi'an, P.R.C., 18th August, 2009.
    [DOI] [webpage] [Publish] [Local]
  181. Izumi ITO, Hitoshi KIYA,
    "Image Matching between Visually Protected Images with One-time Key Based Phase Scrambling,"
    EURASIP European Signal Processing Conference,
    no.IM5-4, pp.1314--1318, Glasgow, Scotland, 27th August, 2009.
    [Publish] [Local]
  182. Izumi ITO, Hitoshi KIYA,
    "A Theoretical Analysis of One-Time Key Based Phase Scrambling for Phase-Only Correlation between Visually Protected Images,"
    APSIPA Annual Summit and Conference,
    no.MP-P2-1, pp.250--253, Sapporo, Japan, 5th October, 2009.
    [Publish] [Local]
  183. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Efficient Collusion Attack-Free Access Control for JPEG 2000 Coded Images,"
    APSIPA Annual Summit and Conference,
    no.MP-P2-6, pp.270--273, Sapporo, Japan, 5th October, 2009.
    [Publish] [Local]
  184. Fitri Arnia, Khairul Munadi, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Efficient Content-Based Copy Detection Using Signs of DCT Coefficient,"
    IEEE International Symposium on Industrial Electronics and Applications,
    vol.1, no.T4-1, pp.493--498, Kuala Lumpur, Malaysia, 5th October, 2009.
    [DOI] [webpage] [Publish] [Local]
  185. Zhen LI, Atsushi UEMURA, Hitoshi KIYA,
    "An FFT-Based Full-Search Block-Matching Algorithm with SSD Criterion,"
    APSIPA Annual Summit and Conference,
    no.TA-P2-3, pp.457--460, Sapporo, Japan, 6th October, 2009.
    [Publish] [Local]
  186. Masahiro IWAHASHI, Hitoshi KIYA,
    "Word Length Condition for DC Lossless DWT,"
    APSIPA Annual Summit and Conference,
    no.TA-P2-6, pp.469--472, Sapporo, Japan, 6th October, 2009.
    [Publish] [Local]
  187. Masahiro IWAHASHI, Hitoshi KIYA,
    "Non Separable 2D Factorization of Separable 2D DWT for Lossless Image Coding,"
    IEEE International Conference on Image Processing,
    no.SA.L1.L15, pp.17--20, Cairo, Egypt, 8th November, 2009.
    [DOI] [webpage] [Publish] [Local]
  188. Osamu WATANABE, Tomonori IIDA, Takahiro FUKUHARA, Hitoshi KIYA,
    "Identification of JPEG 2000 Images in Encrypted Domain for Digital Cinema,"
    IEEE International Conference on Image Processing,
    no.MA.PJ.PJ8, pp.2065--2068, Cairo, Egypt, 9th November, 2009.
    [DOI] [webpage] [Publish] [Local]
  189. Yuji TACHIZAKI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A DCT Coefficient Sign-Based Background Model for Moving Objects Detection from Motion JPEG Coded Movies,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.MA3-B-5, pp.37--40, Kanazawa, Japan, 7th December, 2009.
    [DOI] [webpage] [Publish] [Local]
  190. Masaaki FUJIYOSHI, Shouhei KAMIMURA, Hitoshi KIYA,
    "A No Reference Geometrical Compensation Method Using Simple Correlation-Based Data Hiding,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.MP2-D-2, pp.208--211, Kanazawa, Japan, 7th December, 2009.
    [DOI] [webpage] [Publish] [Local]
  191. Shouhei KAMIMURA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A No Reference Image Registration Method Using a LPM-Based Data Hiding Scheme,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.MP2-D-4, pp.216--219, Kanazawa, Japan, 7th December, 2009.
    [DOI] [webpage] [Publish] [Local]
  192. Hiroaki IWAI, Marielena PALACIOS PEREZ, Hitoshi KIYA,
    "A Fast Identification Method for JPEG 2000 Images with Different Code-Block Sizes and Resolution Levels,"
    International Workshop on Advanced Image Technology,
    no.P5-3, Kuala Lumpur, Malaysia, 12th January, 2010.
    [Local]
  193. Kiyoshi NISHIKAWA, Sho KUWABARA, Hitoshi KIYA,
    "High Quality Video Coding for Motion JPEG 20000 Based on Rate Control Method Maintaining Constant MSE,"
    International Workshop on Advanced Image Technology,
    no.P5-6, Kuala Lumpur, Malaysia, 12th January, 2010.
    [Local]
  194. Masahiro IWAHASHI, Hitoshi KIYA,
    "A New Lifting Structure of Non Separable 2D DWT with Compatibility to JPEG 2000,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P9.7, pp.1306--1310, Dallas, TX, the U.S., 18th March, 2010.
    [DOI] [webpage] [Publish] [Local]
  195. Zhen LI, Hitoshi KIYA,
    "Double-Search-Window Block Matching Using the Fast Fourier Transform,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P11.8, pp.1418--1421, Dallas, TX, the U.S., 19th March, 2010.
    [DOI] [webpage] [Publish] [Local]
  196. Masahiro IWAHASHI, Hitoshi KIYA,
    "A Lossless Condition of Lifting DWT for Specific DC Values,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P12.7, pp.1458--1461, Dallas, TX, the U.S., 19th March, 2010.
    [DOI] [webpage] [Publish] [Local]
  197. Hidetake SASAKI, Zhen LI, Hitoshi KIYA,
    "An FFT-Based Full-Search Block Matching Algorithm Using Overlap-Add Method,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.0204, pp.442--445, Pattaya, Thailand, 5th July, 2010.
    [Local]
  198. Yuki KOBAYASHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Study on Texture Filtering Using JPEG 2000 Scalabilities,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.0270, pp.620--623, Pattaya, Thailand, 6th July, 2010.
    [Local]
  199. Izumi ITO, Hitoshi KIYA,
    "Symmetric Correlation and Its Properties,"
    EURASIP European Signal Processing Conference,
    no.P-DI-4.5, pp.1301--1305, Aalborg, Denmark, 26th August, 2010.
    [Publish] [Local]
  200. Masaaki FUJIYOSHI, Yuji TACHIZAKI, Hitoshi KIYA,
    "A Moving Object Detection Scheme in Codestream Domain for Motion JPEG Encoded Movies,"
    Pacific-Rim Conference on Multimedia,
    vol.2, no.020, pp.595--606, Shanghai, P.R.C., 22th September, 2010.
    [DOI] [webpage] [Publish] [Local]
  201. Masahiro IWAHASHI, Hitoshi KIYA,
    "Optimization of Lifting Structure of Reversible KLT Based on Permutation of Signal's Order and Sign,"
    IEEE International Conference on Image Processing,
    no.MA-PD.7, pp.465--468, Hong Kong, 27th September, 2010.
    [Local]
  202. Yoshihide TONOMURA, Takayuki NAKACHI, Daisuke SHIRAI, Tatsuya FUJII, Hitoshi KIYA,
    "Color-Component Bit Allocation Scheme for JPEG 2000 Parallel Codec,"
    IEEE International Conference on Image Processing,
    no.MP-PF.9, pp.1345--1348, Hong Kong, 27th September, 2010.
    [Local]
  203. Masahiro IWAHASHI, Hitoshi KIYA,
    "Reversible Color Transform with Compatibility to Irreversible Transform,"
    IEEE International Conference on Image Processing,
    no.TP-PD.10, pp.2881--2884, Hong Kong, 28th September, 2010.
    [Local]
  204. Masashi SHIMIZU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "No Reference Affine Compensation Using Three 2-D Barcodes,"
    IEEE International Symposium on Communications and Information Technologies,
    no.ThA1-4-5, pp.634--639, Tokyo, Japan, 28th October, 2010.
    [DOI] [webpage] [Publish] [Local]
  205. Marielena PALACIOS PEREZ, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Codestream Domain Authentication and tamper Localization Scheme for JPEG 2000,"
    IEEE International Symposium on Communications and Information Technologies,
    no.ThA2-6-3, pp.810--814, Tokyo, Japan, 28th October, 2010.
    [DOI] [webpage] [Publish] [Local]
  206. Masaaki FUJIYOSHI, Takahiro TSUNEYOSHI, Hitoshi KIYA,
    "A Reversible Data Hiding Method Free from Location Map and Parameter Memorization,"
    IEEE International Symposium on Communications and Information Technologies,
    no.ThA2-4-5, pp.767--772, Tokyo, Japan, 28th October, 2010.
    [DOI] [webpage] [Publish] [Local]
  207. Masahiro IWAHASHI, Hitoshi KIYA,
    "Avoidance of Singular Point in Reversible KLT,"
    Picture Coding Symposium,
    no.P1-23, pp.110--113, Nagoya, Japan, 8th December, 2010.
    [Local]
  208. Hidetake SASAKI, Zhen LI, Hitoshi KIYA,
    "FFT-Based Full-Search Block Matching Using Overlap-Add Method,"
    Picture Coding Symposium,
    no.P4-28, pp.586--589, Nagoya, Japan, 10th December, 2010.
    [Local]
  209. Izumi ITO, Hitoshi KIYA,
    "Symmetric-Extension Based Whitening for Phase Correlation,"
    APSIPA Annual Summit and Conference,
    pp.177--180, Biopolis, Singapore, 15th December, 2010.
    [Local]
  210. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "No-Reference Image Quality Estimation for Motion JPEG 2000 Enabling Precise Estimation of PSNR Values,"
    APSIPA Annual Summit and Conference,
    pp.294--297, Biopolis, Singapore, 15th December, 2010.
    [Local]
  211. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Fast Accurate Identifying Method of JPEG 2000 Images with Different Coding Parameters for Digital Cinema,"
    APSIPA Annual Summit and Conference,
    pp.298--301, Biopolis, Singapore, 15th December, 2010.
    [Local]
  212. Atsushi UEMURA, Zhen LI, Hitoshi KIYA,
    "Fast Sub-Pixel Motion Estimation Using FFT-based Full Search Block Matching,"
    APSIPA Annual Summit and Conference,
    vol.Student Symposium, pp.29--29, Biopolis, Singapore, 15th December, 2010.
    [Local]
  213. Masahiro IWAHASHI, Hitoshi KIYA,
    "Word Length Assignment of DC Lossless DWT,"
    APSIPA Annual Summit and Conference,
    pp.679--682, Biopolis, Singapore, 16th December, 2010.
    [Local]
  214. Kenta WATANABE, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Multi-Keyed Hierarchical Image Authentication,"
    APSIPA Annual Summit and Conference,
    vol.Student Symposium, pp.62--62, Biopolis, Singapore, 16th December, 2010.
    [Local]
  215. Hitoshi KIYA, Kiyoshi NISHIKAWA,
    "Selected Topics from Recent Researches in Signal and Image Processing at Tokyo Metropolitan University,"
    APSIPA Annual Summit and Conference,
    pp.859--866, Biopolis, Singapore, 17th December, 2010.
    [Local]
  216. Tohru HIROI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Augmented Reality Using Multiple Barcodes,"
    International Workshop on Advanced Image Technology,
    no.O.III.1-1, Jakarta, Indonesia, 7th January, 2011.
    [Local]
  217. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Collaborative Scheme for Lossless Data Hiding and Image Scrambling,"
    International Workshop on Advanced Image Technology,
    no.O.III.2-1, Jakarta, Indonesia, 7th January, 2011.
    [Local]
  218. Marielena PALACIOS PEREZ, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Practical Progressive Authentication Scheme for JPEG 2000 Codestreams,"
    International Workshop on Advanced Image Technology,
    no.O.III.2-2, Jakarta, Indonesia, 7th January, 2011.
    [Local]
  219. Fitri Arnia, Agustinus Ifan, Khairul Munadi, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Content Based Image Copy Detection Based on Sign of Wavelet Coefficients,"
    International Workshop on Advanced Image Technology,
    no.O.III.2-6, Jakarta, Indonesia, 7th January, 2011.
    [Local]
  220. Noriyuki MATSUNAMI, Masahiro NAGAI, Hitoshi KIYA,
    "Effectiveness of Collaborative Learning Using the Digital Pen and the Mind-Map,"
    AACE Global Learn Asia Pacific,
    no.33177, pp.1068--1077, Melbourne, Australia, 31th March, 2011.
    [webpage] [Local]
  221. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Fast Identification of JPEG 2000 Images for Digital Cinema Profiles,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-L4.6, pp.881--884, Prague, Czech, 25th May, 2011.
    [Local]
  222. Yoshihide TONOMURA, Daisuke SHIRAI, Masahiko KITAMURA, Takayuki NAKACHI, Tatsuya FUJII, Hitoshi KIYA,
    "Low-Density Generator Matrix Codes for IP Packet Video Streaming with Backward Compatibility,"
    IEEE International Conference on Communications,
    no.CSMA-02.5, Kyoto, Japan, 6th June, 2011.
    [Local]
  223. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Reversible Data Hiding for Sparse Histogram Images,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.TC1-3, pp.510--513, Gyeongju, Korea, 21th June, 2011.
    [Local]
  224. Izumi ITO, Hitoshi KIYA,
    "A Computing Method for Linear Convolution in the DCT Domain,"
    EURASIP European Signal Processing Conference,
    no.IVP-P2.12, pp.323--327, Barcelona, Spain, 30th August, 2011.
    [Publish] [Local]
  225. Masahiro IWAHASHI, Hitoshi KIYA,
    "Regularity Guaranteeing Implementation of DWT Designed under Lifting Structure,"
    APSIPA Annual Summit and Conference,
    no.Wed-AM.RS12.1, Xi'an, P.R.C., 19th October, 2011.
    [Local]
  226. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "PE Expansion-Based Reversible Data Hiding without Location Maps,"
    APSIPA Annual Summit and Conference,
    no.Thu-PM.RS09.2, Xi'an, P.R.C., 20th October, 2011.
    [Publish] [Local]
  227. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Efficient Access Control Scheme for Multimedia Content Using Modified Hash Chain,"
    IARIA International Conference on Systems and Networks Communications,
    pp.175--180, Barcelona, Spain, 26th October, 2011.
    [webpage] [Publish] [Local]
  228. Masahiro IWAHASHI, Masanori OGAWA, Hitoshi KIYA,
    "Lossless Integer Color Transform for Four Color Components,"
    SPIE/IEEE Visual Communications and Image Processing,
    no.P-07.1, Tainan, Taiwan, R.O.C., 7th November, 2011.
    [Local]
  229. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA, Naokazu AOKI, Hiroyuki KOBAYASHI,
    "A Key Derivation Scheme for Hierarchical Access Control to JPEG 2000 Coded Images,"
    IEEE Pacific-Rim Symposium on Image and Video Technology,
    vol.II, pp.180--191, Gwangju, Korea, 22th November, 2011.
    [DOI] [webpage] [Publish] [Local]
  230. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Leakage Suppressed Two-level Security Visual Secret Sharing Scheme,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.FAM1-4.1, Chiang Mai, Thailand, 9th December, 2011.
    [DOI] [webpage] [Publish] [Local]
  231. Yuki KOBAYASHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Lossy Image Coding Method Based on Histogram Packing,"
    International Workshop on Advanced Image Technology,
    no.1-2, pp.534--537, Ho Chi Minh City, Vietnam, 9th January, 2012.
    [Local]
  232. Tohru HIROI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Structure from Motion with Integrated Deblurring,"
    International Workshop on Advanced Image Technology,
    no.1-15, pp.600--603, Ho Chi Minh City, Vietnam, 9th January, 2012.
    [Local]
  233. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA, Naokazu AOKI, Hiroyuki KOBAYASHI,
    "Key Derivation Scheme for Hierarchical Access Control to Multimedia Content,"
    International Workshop on Advanced Image Technology,
    no.F-4, pp.246--251, Ho Chi Minh City, Vietnam, 10th January, 2012.
    [Local]
  234. Mansu BAO, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Seam Carving Using Weighted Luminance Gradient and Color Saliency,"
    International Workshop on Advanced Image Technology,
    no.E-6, pp.222--225, Ho Chi Minh City, Vietnam, 10th January, 2012.
    [Local]
  235. Hidetake SASAKI, Hitoshi KIYA,
    "An FFT-Based Block Matching Algorithm Using Asymmetric Search Window,"
    International Workshop on Advanced Image Technology,
    no.3-2, pp.688--691, Ho Chi Minh City, Vietnam, 10th January, 2012.
    [Local]
  236. Fitri Arnia, Khairul Munadi, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Iris Recognition Method Based on Ordinal Measure of Discrete Cosine Transform Coefficients,"
    IEEE Symposium on Computers and Informatics,
    pp.203--207, Penang, Malaysia, 20th March, 2012.
    [DOI] [webpage] [Publish] [Local]
  237. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Hash Based Identification of JPEG 2000 Images with Different Coding Parameters,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P2.8, pp.1037--1040, Kyoto, Japan, 27th March, 2012.
    [Local]
  238. Noriyuki MATSUNAMI, Shinya MIURA, Saki TOMODA, Masahiro NAGAI, Hitoshi KIYA,
    "Improvement of Children's Logical Thinking by a Digital Pen System Environment,"
    IIIS International Conference on Education, Training and Informatics,
    pp.134--137, Orland, FL, U.S., 27th March, 2012.
    [Local]
  239. Izumi ITO, Hitoshi KIYA,
    "A New Technique of Non-Iterative Super-Resolution without Boundary Distortion,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P8.6, pp.1273--1276, Kyoto, Japan, 29th March, 2012.
    [Local]
  240. Masahiro IWAHASHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Lossy Compression of Sparse Histogram Image,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-P10.5, pp.1361--1364, Kyoto, Japan, 30th March, 2012.
    [Local]
  241. Masahiro IWAHASHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Fine Rate Control and High SNR Coding for Sparse Histogram Images,"
    Picture Coding Symposium,
    no.P2a-9, pp.205--208, Krakow, Poland, 8th May, 2012.
    [Local]
  242. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Visually-Lossless Data Hiding Method Based on Histogram Modification,"
    IEEE International Symposium on Circuits and Systems,
    no.B5P-R.1, pp.1692--1695, Seoul, Korea, 22th May, 2012.
    [DOI] [webpage] [Publish] [Local]
  243. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Commutative Scheme of Perceptual Cryptography and Image Compression for JPEG 2000,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.E-W1-04, Sapporo, Japan, 18th July, 2012.
    [Local]
  244. Shoko IMAIZUMI, Naokazu AOKI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Hierarchical Key Assignment Scheme for Multimedia Access Control with Modified Hash Chain,"
    IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing,
    no.CM-2.1, pp.293--296, Piraeus, Greece, 20th July, 2012.
    [Local]
  245. Hiroyuki KOBAYASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Weighted Median Cut Quantization and Its Applications,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.D4.2, pp.509--514, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
    [Local]
  246. Toshiyuki DOBASHI, Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Hash-Based Identification of JPEG 2000 Images in Encrypted Domain,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.D2.4, pp.469--472, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
    [Local]
  247. Wannida SAE-TANG, Mika SUGIYAMA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Non-Separable Weighted Median-Cut Quantization for Images with Sparse Color Histogram,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.D2.5, pp.473--478, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
    [DOI] [webpage] [Publish] [Local]
  248. Shoko IMAIZUMI, Naokazu AOKI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Multi-dimensional Key Assignment for Hierarchical Media Access Control with Collusion Resilience,"
    IARIA International Conference on Systems and Networks Communications,
    no.ICSNC4-1, pp.77--82, Lisbon, Portugal, 20th November, 2012.
    [Local]
  249. Masahiro IWAHASHI, Hitoshi KIYA,
    "Efficient Lossless Bit Depth Scalable Coding for HDR Images,"
    APSIPA Annual Summit and Conference,
    no.OS.49-IVM.17-5, Los Angeles, CA, the U.S., 6th December, 2012.
    [Local]
  250. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Generalized Histogram Shifting-Based Reversible Data Hiding with an Adaptive Binary-to-q-ary Converter,"
    APSIPA Annual Summit and Conference,
    no.PS.6-IVM.19-2, Los Angeles, CA, the U.S., 6th December, 2012.
    [webpage] [Publish] [Local]
  251. Yin Ping CHEW, Takuya SHIBATA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Lossless Bit Depth Scalable Coding for Floating Point Images,"
    International Workshop on Advanced Image Technology,
    no.2C-5, pp.169--174, Nagoya,Japan, 7th January, 2013.
    [Local]
  252. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Intensity Range Reduction for Amplitude-Only Images,"
    International Workshop on Advanced Image Technology,
    no.5A-1, pp.322--327, Nagoya,Japan, 8th January, 2013.
    [Local]
  253. Yuichi MURAKI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Decryption-Free Secure Face Recognition System,"
    International Workshop on Advanced Image Technology,
    no.SPS-3, pp.780--780, Nagoya,Japan, 8th January, 2013.
    [Local]
  254. Noriyuki MATSUNAMI, Shinya MIURA, Saki TOMODA, Masahiro NAGAI, Hitoshi KIYA,
    "Factors Determining Student Satisfaction in a Learning Environment Featuring the Use of a Digital Pen at an Elementary School in Japan,"
    AACE International Conference of Society for Information Technology and Teacher Education,
    pp.2241--2248, New Orleans, LA, the U.S., 27th March, 2013.
    [webpage] [Local]
  255. Masahiro IWAHASHI, Hitoshi KIYA,
    "Two Layer Lossless Coding of HDR Images,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.1340--1344, Vancouver, BC, Canada, 28th May, 2013.
    [Local]
  256. Tatsuya MUROFUSHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "An Integer Tone Mapping Operation for HDR Images Expressed in Floating Point Data,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.2479--2483, Vancouver, BC, Canada, 31th May, 2013.
    [Local]
  257. Toshiyuki DOBASHI, Hitoshi KIYA,
    "A Parallel Implementation Method of FFT-Based Full-Search Block Matching Algorithms,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.2644--2648, Vancouver, BC, Canada, 31th May, 2013.
    [Local]
  258. Fitri Arnia, Khairul Munadi, Roslidar, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Improved Iris Matching Technique Using Reduced Sized of Ordinal Measure of DCT Coefficients,"
    IEEE International Symposium on Consumer Electronics,
    no.G1-2, pp.287--288, Hsinchu, Taiwan, R.O.C., 6th June, 2013.
    [DOI] [webpage] [Publish] [Local]
  259. Khairul Munadi, Mohammad Syaryadhi BASYIRUDDIN, Fitri Arnia, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Secure Online Image Trading Scheme Using DCT Coefficients and Moment Invariant Feature,"
    IEEE International Symposium on Consumer Electronics,
    no.G1-4, pp.291--292, Hsinchu, Taiwan, R.O.C., 6th June, 2013.
    [DOI] [webpage] [Publish] [Local]
  260. Akira UCHIDA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Classification of Identified Images Using Several Image Identification Methods,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.TA1-2, pp.552--553, Yeosu, Korea, 2nd July, 2013.
    [Local]
  261. Masakazu FURUKAWA, Yuichi MURAKI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Secure Face Recognition Method Based on Kernel Sparse Representation,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.WE2-4, pp.643--644, Yeosu, Korea, 3rd July, 2013.
    [Local]
  262. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Intensity Range Reduction Method for the Image Trading System with Digital Fingerprinting in Visually Protected Domain,"
    IEEE International Symposium on Communications and Information Technologies,
    no.B2-2.2, pp.423--428, Samui Island, Thailand, 6th September, 2013.
    [DOI] [webpage] [Publish] [Local]
  263. Masahiro IWAHASHI, Teerapong ORACHON, Hitoshi KIYA,
    "Three Dimensional Discrete Wavelet Transform with Deduced Number of Lifting Steps,"
    IEEE International Conference on Image Processing,
    no.WA.L4.6, pp.1651--1654, Melbourne, VIC, Australia, 18th September, 2013.
    [Local]
  264. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Cheat-Prevention Visual Secret Sharing Scheme with Minimum Pixel Expansion,"
    International Workshop on Digital-Forensics and Watermarking,
    no.7.7, Auckland, New Zealand, 3rd October, 2013.
    [Local]
  265. Masahiro IWAHASHI, Hitoshi KIYA,
    "Error Equalization for High Quality LDR Images in Backward Compatible HDR Image Coding,"
    APSIPA Annual Summit and Conference,
    no.OS.10-IVM.5-2, Kaohsiung, Taiwan, R.O.C., 30th October, 2013.
    [Local]
  266. Masakazu FURUKAWA, Yuichi MURAKI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Secure Face Recognition Scheme Using Noisy Images Based on Kernel Sparse Representation,"
    APSIPA Annual Summit and Conference,
    no.OS.20-IVM.9-4, Kaohsiung, Taiwan, R.O.C., 30th October, 2013.
    [DOI] [webpage] [Publish] [Local]
  267. Masahiro IWAHASHI, Teerapong ORACHON, Hitoshi KIYA,
    "Non Separable 3D Lifting Structure Compatible with Separable Quadruple Lifting DWT,"
    APSIPA Annual Summit and Conference,
    no.OS.26-IVM.11-4, Kaohsiung, Taiwan, R.O.C., 31th October, 2013.
    [Local]
  268. Toshiyuki DOBASHI, Tatsuya MUROFUSHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Fixed-Point Tone Mapping Operation for HDR Images in the RGBE Format,"
    APSIPA Annual Summit and Conference,
    no.OS.37-IVM.16-4, Kaohsiung, Taiwan, R.O.C., 1st November, 2013.
    [Local]
  269. Masahiro IWAHASHI, Suvit POOMRITTIGUL, Hitoshi KIYA,
    "Lossless Transform with Functionality of Thumbnail Previewing,"
    APSIPA Annual Summit and Conference,
    no.OS.48-SIPTM.5-1, Kaohsiung, Taiwan, R.O.C., 1st November, 2013.
    [Local]
  270. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Image Trading System with JPEG 2000 Using Fingerprinting in Visually Protected Domain,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.WM1-B-2, pp.32--37, Okinawa, Japan, 13th November, 2013.
    [DOI] [webpage] [Publish] [Local]
  271. Masanori KIKUCHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A New Color QR Code Forward Compatible with the Standard QR Code Decoder,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    no.WM1-B-1, pp.26--31, Okinawa, Japan, 13th November, 2013.
    [DOI] [webpage] [Publish] [Local]
  272. Yuichi MURAKI, Masakazu FURUKAWA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Robustness Analysis of Cancelable Biometrics Systems in Terms of Visual Recognizability,"
    International Workshop on Advanced Image Technology,
    no.A2-145, pp.24--27, Bangkok, Thailand, 6th January, 2014.
    [Local]
  273. Suvit POOMRITTIGUL, Masahiro IWAHASHI, Hitoshi KIYA,
    "Lossless Transform with Thumbnail Previewing and Transcoding Functionality,"
    International Workshop on Advanced Image Technology,
    no.P1-133, pp.431--435, Bangkok, Thailand, 6th January, 2014.
    [Local]
  274. Taku ODAKA, Wannida SAE-TANG, Masaaki FUJIYOSHI, Hiroyuki KOBAYASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format,"
    International Workshop on Advanced Image Technology,
    no.E1-061, pp.237--240, Bangkok, Thailand, 7th January, 2014.
    [Local]
  275. Shen Chuan LIU, Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Compression-Friendly Image Trading System for Privacy- and Copyright-Protection,"
    International Workshop on Advanced Image Technology,
    no.P2-028, pp.513--517, Bangkok, Thailand, 7th January, 2014.
    [Local]
  276. Takayuki YAMAGUCHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Color Image Denosing by NL-means Filtering with a constraint among color components,"
    WSEAS International Conference on Applied Computer and Applied Computational Science,
    pp.13--17, Kuala Lumpur, Malaysia, 23th April, 2014.
    [Local]
  277. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Evaluation of Amplitude-Only Images for Copyright- and Privacy-Protected Image Trading Systems,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    no.1069, pp.113--116, Phuket, Thailand, 4th July, 2014.
    [Local]
  278. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Effects of Random Sign Encryption in JPEG 2000-Based Data Hiding,"
    IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing,
    no.A3-05, pp.516--519, Kitakyushu, Japan, 27th August, 2014.
    [Local]
  279. Yuichi MURAKI, Masakazu FURUKAWA, Masaaki FUJIYOSHI, Yoshihide TONOMURA, Hitoshi KIYA,
    "A Compressible Template Protection Scheme for Face Recognition Based on Sparse Representation,"
    EURASIP European Signal Processing Conference,
    no.TH-P5-4, Lisbon, Portugal, 4th September, 2014.
    [webpage] [Publish] [Local]
  280. Masahiro IWAHASHI, Hitoshi KIYA,
    "Noise Bias Compensation of Tone Mapped Noisy Image,"
    IEEE International Conference on Image Processing,
    no.TEC-P6.3, Paris, France, 29th October, 2014.
    [Local]
  281. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Cheat Preventing Method with Efficient Pixel Expansion for Naor-Shamir's Visual Cryptography,"
    IEEE International Conference on Image Processing,
    no.IFS-P2.9, pp.5527--5531, Paris, France, 30th October, 2014.
    [Local]
  282. Tatsuya MUROFUSHI, Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "An Integer Tone Mapping Operation for HDR Images in OpenEXR with Denormalized Numbers,"
    IEEE International Conference on Image Processing,
    no.TEC-P10.6, Paris, France, 30th October, 2014.
    [Local]
  283. Katsuma TAKIMOTO , Toshiyuki DOBASHI, Hiroshi ISHIKAWA, Hitoshi KIYA,
    "An Image Estimation Method by Header Information in JPEG 2000 Codestreams and its Application to Image Identification,"
    IEEE Asia-Pacific Conference on Circuits and Systems,
    Okinawa, Japan, 18th November, 2014.
    [Local]
  284. Akira UCHIDA, Masaaki FUJIYOSHI, Sayaka SHIOTA, Hitoshi KIYA,
    "Image Invisibility Assessment for Visually Encrypted Images,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Kuching, Sarawak, Malaysia, 2nd December, 2014.
    [Local]
  285. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Efficient Data Hiding in Encrypted JPEG 2000 Codestreams,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Kuching, Sarawak, Malaysia, 2nd December, 2014.
    [Local]
  286. Fairoza Amira Binti HAMZAH, Teerapong ORACHON, Taichi YOSHIDA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Non-separable three dimensional discrete wavelet transform with adaptive directional prediction,"
    APSIPA Annual Summit and Conference,
    no.WA2-4-1157, Siem Reap, city of Angkor Wat, Cambodia, 10th December, 2014.
    [webpage] [Local]
  287. Masahiro IWAHASHI, Taichi YOSHIDA, Hitoshi KIYA,
    "Range Reduction of HDR Images for Backward Compatibility with LDR Image Processing,"
    APSIPA Annual Summit and Conference,
    no.WP1-2-1160, Siem Reap, city of Angkor Wat, Cambodia, 10th December, 2014.
    [webpage] [Local]
  288. Masahiro IWAHASHI, Taichi YOSHIDA, Hitoshi KIYA,
    "L2 Norm Optimization of Tone Mapping for Two Layer Lossless Coding of HDR Images,"
    APSIPA Annual Summit and Conference,
    no.TA-P-1156, Siem Reap, city of Angkor Wat, Cambodia, 11th December, 2014.
    [webpage] [Local]
  289. Tatsuya MUROFUSHI, Ryo SUZUKI, Hitoshi KIYA,
    "Bit Depth Scalable Coding of HDR Images Using SNR Scalability in JPEG 2000,"
    International Workshop on Advanced Image Technology,
    National Cheng Kung University, Tainan, Taiwan, 13th January, 2015.
    [Local]
  290. Khairul Munadi, Fitri Arnia, Mohammad Syaryadhi BASYIRUDDIN, Hitoshi KIYA,
    "A Content-Based Image Retrieval for Visually-Protected Images Database,"
    Asia Pacific Conference on Multimedia and Broadcasting,
    pp.1--6, Bali, Indonesia, 23th April, 2015.
    [webpage] [Local]
  291. Osamu WATANABE, Akira UCHIDA, Takahiro FUKUHARA, Hitoshi KIYA,
    "AN ENCRYPTION-THEN-COMPRESSION SYSTEM FOR JPEG 2000 STANDARD,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    no.IVMSP-L4.1, pp.1226--1230, Brisbane, Australia, 23th April, 2015.
    [webpage] [Local]
  292. Kenta KURIHARA, Sayaka SHIOTA, Hitoshi KIYA,
    "AN ENCRYPTION-THEN-COMPRESSION SYSTEM FOR JPEG STANDARD,"
    Picture Coding Symposium,
    pp.119--123, Cairns, Australia, 2nd June, 2015.
    [Local]
  293. Ibuki NAKAMURA, Yoshihide TONOMURA, Hitoshi KIYA,
    "Unitary Transform-Based Template Protection and Its Properties,"
    EURASIP European Signal Processing Conference,
    no.SIPA-P3.4, pp.2466--2470, Nice Cote d'Azur, France, 4th September, 2015.
    [Local]
  294. Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Unified Tone Mapping Operation for HDR Images Including Both Floating-Point and Integer Data,"
    Pacific-Rim Conference on Multimedia,
    vol.Part I, no.LNCS 9314, pp.321--333, Gwangju, Korea, 16th September, 2015.
    [DOI] [Local]
  295. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Histogram-Based Near-Lossless Data Hiding and Its Application to Image Compression,"
    Pacific-Rim Conference on Multimedia,
    vol.Part II, no.LNCS 9315, pp.225--235, Gwangju, Korea, 16th September, 2015.
    [DOI] [Local]
  296. Hiroyuki KOBAYASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A New Class of Near-Lossless Coding Allowing Estimation of ℓ_∞ Bound,"
    IEEE International Symposium on Communications and Information Technologies,
    pp.109--112, Nara, Japan, 7th October, 2015.
    [Local]
  297. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "A Perceptual Encryption Scheme for Motion JPEG 2000 Standard,"
    IEEE International Symposium on Communications and Information Technologies,
    pp.125--128, Nara, Japan, 7th October, 2015.
    [Local]
  298. Hiroyuki KOBAYASHI, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Robust Identification Scheme for JPEG XR Images with Various Compression Ratios,"
    Pacific Rim Symposium on Image and Video Technology,
    Auckland, New Zealand, 23th November, 2015.
    [Local]
  299. Ryosuke NAKANISHI, Sayaka SHIOTA, Hitoshi KIYA,
    "Towards Noise-Robust Automatic Speaker Verification Using Pop Noise,"
    International Workshop on Community centric Systems,
    pp.28--32, Tokyo, Japan, 1st December, 2015.
    [Local]
  300. Fairoza Amira Binti HAMZAH, Taichi YOSHIDA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Channel Scaling for Rounding Noise Reduction in Minimum,"
    APSIPA Annual Summit and Conference,
    pp.888--891, Hong Kong, China, 17th December, 2015.
    [Local]
  301. Masahiro IWAHASHI, Fairoza Amira Binti HAMZAH, Taichi YOSHIDA, Hitoshi KIYA,
    "Two Layer Coding of HDR Images with Noise Bias Compensation,"
    APSIPA Annual Summit and Conference,
    pp.436--439, Hong Kong, China, 18th December, 2015.
    [Local]
  302. Masahiro IWAHASHI, Fairoza Amira Binti HAMZAH, Taichi YOSHIDA, Hitoshi KIYA,
    "Noise Bias Compensation based on Bayesian Inference for Tone Mapped Noisy Image,"
    APSIPA Annual Summit and Conference,
    pp.440--443, Hong Kong, China, 18th December, 2015.
    [Local]
  303. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Near-Lossless Image Compression System with Data Hiding Capability,"
    APSIPA Annual Summit and Conference,
    pp.1280--1286, Hong Kong, China, 19th December, 2015.
    [Local]
  304. Wannida SAE-TANG, Hitoshi KIYA,
    "Hadamard Transform-Based Amplitude-Only Images for Image Trading Systems,"
    International Workshop on Advanced Image Technology,
    vol.3C, no.5, Busan, Korea, 7th January, 2016.
    [Local]
  305. Masahiro IWAHASHI, Tin Moe Aye, Taichi YOSHIDA, Hitoshi KIYA,
    "Subset Noise Bias Compensation for Tone-mapping and Up-scaling of JPEG Images,"
    IEEE International Symposium on Circuits and Systems,
    pp.2226--2229, Montreal, Canada, 22th May, 2016.
    [Local]
  306. Masahiro IWAHASHI, Teerapong ORACHON, Taichi YOSHIDA, Hitoshi KIYA,
    "Optimum SPT Allocation for Multipliers of Minimum Lifting 2D Wavelet Transform,"
    IEEE International Symposium on Circuits and Systems,
    pp.2543--2546, Montreal, Canada, 22th May, 2016.
    [Local]
  307. Osamu WATANABE, Ryo SUZUKI, Hitoshi KIYA,
    "A Structure of JPEG XT Encoder considering Effect of Quantization Error,"
    IEEE International Symposium on Circuits and Systems,
    pp.810--813, Montreal, Canada, 22th May, 2016.
    [Local]
  308. Kenta IIDA, Hitoshi KIYA,
    "Secure and Robust Identification Based on Fuzzy Commitment Scheme for JPEG Images,"
    IEEE International Symposium on Broadband Multimedia Systems and Broadcasting,
    Nara, Japan, 2nd June, 2016.
    [Local]
  309. Kenta KURIHARA, Osamu WATANABE, Hitoshi KIYA,
    "An Encryption-then-Compression System for JPEG XR Standard,"
    IEEE International Symposium on Broadband Multimedia Systems and Broadcasting,
    Nara, Japan, 2nd June, 2016.
    [Local]
  310. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "An Inverse Tone Mapping Operation without Any Parameters for Remapping HDR Images,"
    Workshop on Community-centric Systems as Interdisciplinary Study,
    Hachioji, Tokyo, Japan, 23th August, 2016.
    [Local]
  311. Shihono MOCHIZUKI, Sayaka SHIOTA, Hitoshi KIYA,
    "A study of sentence design based on pop-noise balance for voice liveness detection,"
    Workshop on Community-centric Systems as Interdisciplinary Study,
    Hachioji, Tokyo, Japan, 23th August, 2016.
    [Local]
  312. Yuko SAITO, Ibuki NAKAMURA, Sayaka SHIOTA, Hitoshi KIYA,
    "An Efficient Random Unitary Matrix for Biometric Template Protection,"
    International Conference on Soft Computing and Intelligent Systems and International Symposium on Advanced Intelligent Systems,
    Sapporo, Hokkaido, Japan , 27th August, 2016.
    [Local]
  313. Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Fixed-Point Local Tone Mapping Operation for HDR Images,"
    EURASIP European Signal Processing Conference,
    pp.933--937, Budapest, Hungary, 31th August, 2016.
    [Local]
  314. Kenta IIDA, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Secure Identification Based on Fuzzy Commitment Scheme for JPEG XR Images,"
    EURASIP European Signal Processing Conference,
    pp.968--972, Budapest,Hungary, 31th August, 2016.
    [Local]
  315. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "An Inverse Tone Mapping Operator Based on Reinhard’s Global Operator,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Phuket, Thailand, 25th October, 2016.
    [Local]
  316. Artit VISAVAKITCHAROEN, Yuma KINOSHITA, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Quality Improvement of Tone Mapped Images by TMQI-II based Optimization for the JPEG XT Standard,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Phuket, Thailand., 25th October, 2016.
    [Local]
  317. Shihono MOCHIZUKI, Sayaka SHIOTA, Hitoshi KIYA,
    "Voice liveness detection based on pop-noise detector with phoneme information for speaker verification,"
    5th Joint Meeting of Acoustical Society of America and Acoustical Society of Japan,
    Honolulu,Hawaii,USA, 29th November, 2016.
  318. Kenta IIDA, Hitoshi KIYA,
    "Codestream Level Secure Identification for JPEG 2000 Images under Various Compression Ratios,"
    APSIPA Annual Summit and Conference,
    Jeju, Korea, 15th December, 2016.
    [Local]
  319. Ryosuke NAKANISHI, Sayaka SHIOTA, Hitoshi KIYA,
    "Ensemble Based Speaker Verification Using Adapted Score Fusion in Noisy Reverberant Environments,"
    APSIPA Annual Summit and Conference,
    Jeju, Korea, 16th December, 2016.
    [Local]
  320. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Two Layer Coding Based on JPEG 2000 for HDR Images,"
    International Workshop on Advanced Image Technology,
    Penang, Malaysia, 8th January, 2017.
    [Local]
  321. Tatsuya CHUMAN, Kenta KURIHARA, Hitoshi KIYA,
    "On the Security of Block Scrambling-based ETC Systems against Jigsaw Puzzle Solver Attacks,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.2157--2161, New Orleans, LA, USA, 5th March, 2017.
    [Local]
  322. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "FAST INVERSE TONE MAPPING WITH REINHARD’S GLOBAL OPERATOR,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.1972--1976, New Orleans, USA, 9th March, 2017.
    [Local]
  323. Shoko IMAIZUMI, Takeshi OGASAWARA, Hitoshi KIYA,
    "Block-Permutation-Based Encryption Scheme with Enhanced Color Scrambling,"
    The Scandinavian Conference on Image Analysis,
    pp.562--573, Tromsø, Norway, 13th June, 2017.
    [Local]
  324. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "An extension of JPEG XT with JPEG 2000,"
    IEEE International Conference on Consumer Electronics - Taiwan,
    Taipei, Taiwan, 14th June, 2017.
    [Local]
  325. Tatsuya CHUMAN, Kenta KURIHARA, Hitoshi KIYA,
    "Security Evaluation for Block Scrambling-based ETC Systems against Extended Jigsaw Puzzle Solver Attacks,"
    IEEE International Conference on Multimedia and Expo,
    Hong Kong, China, 11th July, 2017.
    [Local]
  326. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Blind Reversible Data Hiding Method for High Dynamic Range Images Taking Advantage of Sparse Histogram,"
    International Workshop on Digital-Forensics and Watermarking,
    pp.347--361, Magdeburg, Germany, 25th August, 2017.
    [webpage] [Local]
  327. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Encryption-then-Compression-Based Copyright- and Privacy-Protected Image Trading System,"
    International Conference on Advances in Image Processing,
    pp.66--71, Bangkok, Thailand, 26th August, 2017.
    [Local]
  328. Wannida SAE-TANG, Hitoshi KIYA,
    "A Generation of Meaningfully Secured Images for Copyright- and Privacy- Protected Image Trading Systems Using Singular Component Interchange,"
    International Conference on Advances in Image Processing,
    pp.72--77, Bangkok, Thailand, 26th August, 2017.
    [Local]
  329. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification with Secure Features for JPEG Images,"
    IEEE International Conference on Image Processing,
    pp.4342--4346, Beijing, China, 20th September, 2017.
    [Local]
  330. Tatsuya CHUMAN, Hitoshi KIYA,
    "On the Security of Block Scrambling-Based Image Encryption Including JPEG Distorsion against Jigsaw Puzzle Solver Attacks,"
    International Workshop on Signal Design and its Applications in Communications,
    Sapporo, Hokkaido, Japan, 25th September, 2017.
    [Local]
  331. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Reinhard’s Global Operator Based Inverse Tone Mapping with One Parameter,"
    International Workshop on Signal Design and its Applications in Communications,
    Sapporo, Hokkaido, Japan, 25th September, 2017.
    [Local]
  332. Kenta IIDA, Hitoshi KIYA,
    "Speeding up Image Identification with Visually Protected Features for JPEG Images,"
    International Workshop on Signal Design and its Applications in Communications,
    Sapporo, Hokkaido, Japan, 25th September, 2017.
    [Local]
  333. Artit VISAVAKITCHAROEN, Hiroyuki KOBAYASHI, Sayaka SHIOTA, Hitoshi KIYA,
    "Compression Performance of Extended JPEG XT Under Various TMOs,"
    IEEE Global Conference on Consumer Electronics,
    Nagoya, Japan, 24th October, 2017.
  334. Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "An Inverse Tone Mapping Operation with Two Integer Data for HDR images,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    pp.634--639, Xiamen, China, 9th November, 2017.
    [Local]
  335. Yusuke Sugawara, Sayaka SHIOTA, Hitoshi KIYA,
    "A Parallel Computation Algorithm for Super-Resolution Methods Using Convolutional Neural Networks,"
    APSIPA Annual Summit and Conference,
    Kuala Lumpur, Malaysia, 12th December, 2017.
    [Local]
  336. Yuma KINOSHITA, Taichi YOSHIDA, Sayaka SHIOTA, Hitoshi KIYA,
    "Pseudo Multi-Exposure Fusion Using a Single Image,"
    APSIPA Annual Summit and Conference,
    pp.263--269, Kuala Lumpur, Malaysia, 13th December, 2017.
    [Local]
  337. Anu Aryal, Shoko IMAIZUMI, Takahiko HORIUCHI, Hitoshi KIYA,
    "Integrated Algorithm for Black-Permutation-Based Encryption with Reversible Data Hiding,"
    APSIPA Annual Summit and Conference,
    Kuala Lumpur, Malaysia, 13th December, 2017.
    [Local]
  338. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification without any Visible Information for Double-Compressed JPEG Images,"
    APSIPA Annual Summit and Conference,
    Kuala Lumpur, Malaysia, 14th December, 2017.
    [Local]
  339. KokSheik Wong, Hitoshi KIYA,
    "Reversible Data Hiding for Compression-Friendly Image Encryption Method,"
    APSIPA Annual Summit and Conference,
    Kuala Lumpur, Malaysia, 14th December, 2017.
    [Local]
  340. Tatsuya CHUMAN, Kenta IIDA, Hitoshi KIYA,
    "Image Manipulation on Social Media for Encryption-then-Compression Systems,"
    APSIPA Annual Summit and Conference,
    Kuala Lumpur, Malaysia, 14th December, 2017.
    [Local]
  341. Hiroyuki KOBAYASHI, Hiroshi ISHIKAWA, Hitoshi KIYA,
    "Lossless Two-Layer Coding for HDR Images,"
    International Workshop on Advanced Image Technology,
    Chiang Mai, Thailand, 8th January, 2018.
    [Local]
  342. Yuma KINOSHITA, Taichi YOSHIDA, Sayaka SHIOTA, Hitoshi KIYA,
    "Multi-Exposure Image Fusion Based on Exposure Compensation,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.1388--1392, Calgary, Alberta, Canada, 19th April, 2018.
    [Local]
  343. CHIENCHENG CHIEN, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "An Image Contrast Enhancement Scheme with Noise Aware Shadow-up Function,"
    IEEE International Conference on Consumer Electronics - Taiwan,
    pp.185--186, Taichung, Taiwan, 19th May, 2018.
    [Local]
  344. Osamu WATANABE, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Lossless Two-Layer Coding using Histogram Packing Technique for HDR Images,"
    IEEE International Symposium on Circuits and Systems,
    Florence, Italy, 29th May, 2018.
    [Local]
  345. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification for Double-Compressed JPEG Images,"
    International Conference on Communications,
    Bucharest, Romania, 14th June, 2018.
    [Local]
  346. Osamu WATANABE, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Two-layer Lossless HDR Coding considering Histogram Sparseness with Backward Compatibility to JPEG,"
    Picture Coding Symposium,
    pp.11--15, San Francisco, USA, 25th June, 2018.
    [Local]
  347. Shihono MOCHIZUKI, Sayaka SHIOTA, Hitoshi KIYA,
    "Voice liveness detection using phoneme-based pop-noise detector for speaker verification,"
    The Speaker and Language Recognition Workshop Odyssey,
    Les Sables d’Olonne, France, 26th June, 2018.
  348. Warit SIRICHOTEDUMRONG, Tatsuya CHUMAN, Hitoshi KIYA,
    "Compression Performance of Grayscale-based Image Encryption for Encryption-then-Compression Systems,"
    International Technical Conference on Circuits/Systems, Computers and Communications,
    Bangkok, Thailand, 6th July, 2018.
    [Local]
  349. Warit SIRICHOTEDUMRONG, Tatsuya CHUMAN, Shoko IMAIZUMI, Hitoshi KIYA,
    "Grayscale-based Block Scrambling Image Encryption for Social Networking Services,"
    IEEE International Conference on Multimedia and Expo,
    San Diego, USA, 24th July, 2018.
    [Local]
  350. Yusuke Sugawara, Sayaka SHIOTA, Hitoshi KIYA,
    "Convolutional Neural Networks without Any Checkerboard Artifacts,"
    EURASIP European Signal Processing Conference,
    Rome, Italy, 3rd September, 2018.
    [webpage] [Local]
  351. Takayuki NAKACHI, Hitoshi KIYA,
    "Practical Secure OMP Computation and Its Application to Image Modeling,"
    International Conference on Information Hiding and Image Processing,
    Manchester, UK, 23th September, 2018.
    [Local]
  352. Sayaka MINEWAKI, Taichi YOSHIDA, Yoshinori TAKEI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Noise Bias Compensation for Tone Mapped Noisy Image Using Prior Knowledge,"
    International GIGAKU Conference in Nagaoka,
    Nagaoka, Niigata, Japan, 5th October, 2018.
  353. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Automatic Exposure Compensation for Multi-Exposure Image Fusion,"
    IEEE International Conference on Image Processing,
    Athens, Greece, 8th October, 2018.
    [Local]
  354. Yusuke Sugawara, Sayaka SHIOTA, Hitoshi KIYA,
    "Super-Resolution Using Convolutional Neural Networks without Any Checkerboard Artifacts,"
    IEEE International Conference on Image Processing,
    Athens, Greece, 8th October, 2018.
    [Local]
  355. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Bitstream-Based JPEG Image Encryption with File-Size Preserving,"
    IEEE Global Conference on Consumer Electronics,
    pp.384--387, Nara, Japan, 9th October, 2018.
    [Local]
  356. Ayumi SADA, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Histogram-Based Image Pre-processing for Machine Learning,"
    IEEE Global Conference on Consumer Electronics,
    pp.272--275, Nara, Japan, 10th October, 2018.
    [Local]
  357. Warit SIRICHOTEDUMRONG, Tatsuya CHUMAN, Hitoshi KIYA,
    "Grayscale-Based Image Encryption Considering Color Sub-sampling Operation for Encryption-then-Compression Systems,"
    IEEE Global Conference on Consumer Electronics,
    pp.379--383, Nara, Japan, 10th October, 2018.
    [Local]
  358. Yusuke Izawa, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Block-Permutation-Based Image Encryption Allowing Hierarchical Decryption,"
    APSIPA Annual Summit and Conference,
    Honolulu, Hawaii, USA, 12th November, 2018.
    [Local]
  359. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification for Double-Compressed and Resized JPEG Images,"
    APSIPA Annual Summit and Conference,
    Honolulu, Hawaii, USA, 12th November, 2018.
    [Local]
  360. Yuma KINOSHITA, Hitoshi KIYA,
    "An Image Segmentation Method Based on Luminance Distribution and Its Application to Image Enhancement,"
    APSIPA Annual Summit and Conference,
    pp.865--870, Honolulu, Hawaii, USA, 13th November, 2018.
    [Local]
  361. Takahiro Maekawa, Ayana KAWAMURA, Yuma KINOSHITA, Hitoshi KIYA,
    "Privacy-Preserving SVM Computing in the Encrypted Domain,"
    APSIPA Annual Summit and Conference,
    Honolulu, Hawaii, USA, 13th November, 2018.
    [Local]
  362. Chihiro GO, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Image Fusion for Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures,"
    APSIPA Annual Summit and Conference,
    Honolulu, Hawaii, USA, 13th November, 2018.
    [Local]
  363. Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Non-linear Harmonic Generation Based Blind Bandwidth Extension Considering Aliasing Artifacts,"
    APSIPA Annual Summit and Conference,
    Honolulu, Hawaii, USA, 15th November, 2018.
    [Local]
  364. Takahiro Maekawa, Takayuki NAKACHI, Sayaka SHIOTA, Hitoshi KIYA,
    "Privacy-Preserving SVM Computing by Using Random Unitary Transformation,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Ishigaki Island, Okinawa, Japan, 28th November, 2018.
    [Local]
  365. Takayuki NAKACHI, Hiroyuki ISHIHARA, Hitoshi KIYA,
    "Privacy-preserving Network BMI Decoding of Covert Spatial Attention,"
    International Conference on Signal Processing and Communication Systems,
    Cairns, Queensland, Australia, 17th December, 2018.
  366. CHIENCHENG CHIEN, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "A Retinex-based Image Enhancement Scheme with Noise Aware Shadow-up Function,"
    International Workshop on Advanced Image Technology,
    Nanyang Technological University, Singapore, 8th January, 2019.
    [Local]
  367. Artit VISAVAKITCHAROEN, Yuma KINOSHITA, Hitoshi KIYA,
    "Pure-Color Preserving Multi-Exposure Image Fusion,"
    International Workshop on Advanced Image Technology,
    Nanyang Technological University, Singapore, 8th January, 2019.
    [Local]
  368. Takayuki NAKACHI, Hitoshi KIYA,
    "Privacy-preserving Pattern Recognition using Secure Sparse Computation,"
    International Conference on Frontiers of Image Processing,
    Florence, Italy, 17th March, 2019.
  369. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "JPEG XT Image Compression with Hue Compensation for Two-Layer HDR Coding,"
    IEEE International Conference on Consumer Electronics - Asia,
    Bangkok, Thailand, 12th June, 2019.
  370. Masaki KITAYAMA, Hitoshi KIYA,
    "HOG feature extraction from encrypted images for privacy-preserving machine learning,"
    IEEE International Conference on Consumer Electronics - Asia,
    Bangkok, Thailand, 13th June, 2019.
  371. CHIENCHENG CHIEN, Yuma KINOSHITA, Hitoshi KIYA,
    "A Noise-aware Enhancement Method for Underexposed Images,"
    IEEE International Conference on Consumer Electronics - Asia,
    Bangkok, Thailand, 13th June, 2019.
  372. Takayuki NAKACHI, Yukihiro Bandoh, Hitoshi KIYA,
    "Secure Dictionary Learning for Sparse Representation,"
    EURASIP European Signal Processing Conference,
    A Coruña, Spain, 3rd September, 2019.
  373. Yuma KINOSHITA, Hitoshi KIYA,
    "iTM-Net: Deep Inverse Tone Mapping Using Novel Loss Function Based on Tone Mapping Operator,"
    EURASIP European Signal Processing Conference,
    A Coruña, Spain, 3rd September, 2019.
    [Local]
  374. Ryoya YAGUCHI, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
    "Replay Attack Detection Using Generalized Cross-Correlation of Stereo Signal,"
    EURASIP European Signal Processing Conference,
    A Coruña, Spain, 3rd September, 2019.
    [Local]
  375. Ryota KAMINISHI, Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Blind bandwidth extension with a non-linear function and its evaluation on x-vector-based speaker verification ,"
    ISCA International Conference on Interspeech,
    15th September, 2019.
    [DOI]
  376. Warit SIRICHOTEDUMRONG, Takahiro Maekawa, Yuma KINOSHITA, Hitoshi KIYA,
    "Privacy-Preserving Deep Neural Networks with Pixel-Based Image Encryption Considering Data Augmentation in the Encrypted Domain,"
    IEEE International Conference on Image Processing,
    Taipei, Taiwan, 23th September, 2019.
    [Local]
  377. Yuma KINOSHITA, Hitoshi KIYA,
    "Convolutional Neural Networks Considering Local and Global Features for Image Enhancement,"
    IEEE International Conference on Image Processing,
    Taipei, Taiwan, 24th September, 2019.
    [Local]
  378. Kenta IIDA, Hitoshi KIYA,
    "AN IMAGE IDENTIFICATION SCHEME OF ENCRYPTED JPEG IMAGES FOR PRIVACY-PRESERVING PHOTO SHARING SERVICES,"
    IEEE International Conference on Image Processing,
    Taipei, Taiwan, 25th September, 2019.
    [Local]
  379. Hiroyuki KOBAYASHI, Osamu WATANABE, Hitoshi KIYA,
    "Two-Layer Near-Lossless HDR Coding with Backward Compatibility to JPEG,"
    IEEE International Conference on Image Processing,
    Taipei, Taiwan, 25th September, 2019.
    [Local]
  380. Warit SIRICHOTEDUMRONG, Yuma KINOSHITA, Hitoshi KIYA,
    "On the Security of Pixel-Based Image Encryption for Privacy-Preserving Deep Neural Networks,"
    IEEE Global Conference on Consumer Electronics,
    Osaka, Japan, 15th October, 2019.
    [Local]
  381. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Performance Evaluation of Two-layer Lossless HDR Coding Using Histogram Packing Technique Under Various Tone-mapping Operators,"
    IEEE Global Conference on Consumer Electronics,
    Osaka, Japan, 15th October, 2019.
  382. Artit VISAVAKITCHAROEN, Yuma KINOSHITA, Hitoshi KIYA,
    "A Color Compensation Method Using Inverse Camera Response Function for Multi-exposure Image Fusion,"
    IEEE Global Conference on Consumer Electronics,
    pp.477--479, Osaka, Japan, 16th October, 2019.
    [Local]
  383. Chihiro GO, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures Considering Hue Distortion,"
    IEEE Global Conference on Consumer Electronics,
    Osaka, Japan, 17th October, 2019.
    [Local]
  384. Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Investigation on Latency Issues and Objective Measurements of Non-Linear Blind Bandwidth Extension,"
    IEEE Global Conference on Consumer Electronics,
    pp.712--714, Osaka, Japan, 17th October, 2019.
    [Local]
  385. April Pyone MAUNG MAUNG, Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
    "Adversarial Test on Learnable Image Encryption,"
    IEEE Global Conference on Consumer Electronics,
    Osaka, Japan, 17th October, 2019.
    [Local]
  386. Ryoya YAGUCHI, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
    "Improving replay attack detection by combination of spatial and spectral features,"
    APSIPA Annual Summit and Conference,
    Lanzhou, China, 18th November, 2019.
  387. Yuma KINOSHITA, Hitoshi KIYA,
    "A Hue Correction Scheme Based on Constant-Hue Plane for Color Image Enhancement,"
    APSIPA Annual Summit and Conference,
    pp.802--806, Lanzhou, China, 19th November, 2019.
    [Local]
  388. Kenta IIDA, Hitoshi KIYA,
    "Image Identification of Grayscale-Based JPEG Images for Privacy-Preserving Photo Sharing Services,"
    APSIPA Annual Summit and Conference,
    pp.1750--1755, Lanzhou, China, 20th November, 2019.
    [Local]
  389. Warit SIRICHOTEDUMRONG, Yuma KINOSHITA, Hitoshi KIYA,
    "Privacy-Preserving Deep Neural Networks Using Pixel-Based Image Encryption Without Common Security Keys,"
    APSIPA Annual Summit and Conference,
    Lanzhou, China, 20th November, 2019.
    [Local]
  390. April Pyone MAUNG MAUNG, Yuma KINOSHITA, Hitoshi KIYA,
    "Filtering Adversarial Noise with Double Quantization ,"
    APSIPA Annual Summit and Conference,
    Lanzhou, China, 20th November, 2019.
    [Local]
  391. Masaki KITAYAMA, Hitoshi KIYA,
    "Irreversible Privacy-Preserving Images Holding Spatial Information for HOG Feature Extraction,"
    IEEE International Symposium on Intelligent Signal Processing and Communication Systems,
    Beitou, Taipei, 5th December, 2019.
    [Local]
  392. Takayuki NAKACHI, Hitoshi KIYA,
    "Secure Sparse Representations in L0 Norm Minimization and Its Application to EtC Systems,"
    International Conference on Signal Processing and Communication Systems,
    Gold Coast, Australia, 17th December, 2019.
  393. Ayana KAWAMURA, Yuma KINOSHITA, Hitoshi KIYA,
    "Privacy-Preserving Machine Learning Using EtC Images,"
    International Workshop on Advanced Image Technology,
    Yogyakarta, Indonesia, 5th January, 2020.
  394. Takayuki NAKACHI, Hitoshi KIYA,
    "PRIVACY-PRESERVING PATTERN RECOGNITION WITH IMAGE COMPRESSION,"
    International Conference on Signal, Image Processing and Pattern Recognition,
    Vienna, Austria, 21th March, 2020.
  395. Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
    "Sparse modeling on distributed encryption data,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    Barcelona, Spain, 5th May, 2020.
  396. Takayuki NAKACHI, Yitu WANG, Hitoshi KIYA,
    "PRIVACY-PRESERVING PATTERN RECOGNITION USING ENCRYPTED SPARSE REPRESENTATIONS IN L0 NORM MINIMIZATION,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    Barcelona, Spain, 5th May, 2020.
  397. Yuma KINOSHITA, Hitoshi KIYA,
    "FIXED SMOOTH CONVOLUTIONAL LAYER FOR AVOIDING CHECKERBOARD ARTIFACTS IN CNNS,"
    IEEE International Conference on Acoustics, Speech and Signal Processing,
    pp.3712--3716, Barcelona, Spain, 6th May, 2020.
    [Local]
  398. Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Application of Bandwidth Extension with No Learning to Data Augmentation for Speaker Verification,"
    The Speaker and Language Recognition Workshop Odyssey,
    pp.446--450, Tokyo, 18th May, 2020.
    [DOI] [webpage] [Publish]
  399. Kenta IIDA, Hitoshi KIYA,
    "A Content-based Image Retrieval Scheme Using Compressible Encrypted Images,"
    EURASIP European Signal Processing Conference,
    Amsterdam, Netherlands, 24th August, 2020.
  400. Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
    "A GAN-Based Image Transformation Scheme for Privacy-Preserving Deep Neural Networks,"
    EURASIP European Signal Processing Conference,
    Amsterdam, Netherlands, 24th August, 2020.
  401. Kouki SEO, Chihiro GO, Yuma KINOSHITA, Hitoshi KIYA,
    "Hue Correction Scheme for Multi-Exposure Image Fusion Considering Hue Distortion in Input Images,"
    IEEE International Conference on Consumer Electronics - Taiwan,
    Taoyuan, Taiwan, 28th September, 2020.
    [Local]
  402. Weihang ZHANG, Yuma KINOSHITA, Hitoshi KIYA,
    "Image-Enhancement-Based Data Augmentation for Improving Deep Learning in Image Classification Problem,"
    IEEE International Conference on Consumer Electronics - Taiwan,
    28th September, 2020.
    [Local]
  403. Masaki KITAYAMA, Hitoshi KIYA, Nobutaka ONO,
    "Difficulty in estimating visual information from randomly sampled images,"
    IEEE Global Conference on Consumer Electronics,
    Kobe, Japan, 13th October, 2020.
  404. Hiroki ITO, Yuma KINOSHITA, Hitoshi KIYA,
    "Image Transformation Network for Privacy-Preserving Deep Neural Networks and Its Security Evaluation,"
    IEEE Global Conference on Consumer Electronics,
    pp.537--540, Kobe, Japan, 14th October, 2020.
    [Local]
  405. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Extension of JPEG XS for Two-Layer Lossless Coding,"
    IEEE Global Conference on Consumer Electronics,
    Kobe, Japan, 14th October, 2020.
  406. Takayuki OSAKABE, Yuma KINOSHITA, Hitoshi KIYA,
    "On the influence of using quantized images on machine learning algorithms,"
    IEEE Global Conference on Consumer Electronics,
    pp.101--104, Kobe, Japan, 14th October, 2020.
    [Local]
  407. Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
    "Sequence-To-One Neural Networks for Japanese Dialect Speech Classification,"
    IEEE Global Conference on Consumer Electronics,
    pp.474--476, Kobe, 14th October, 2020.
    [Local]
  408. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Training DNN Model with Secret Key for Model Protection,"
    IEEE Global Conference on Consumer Electronics,
    pp.533--536, Kobe, Japan, 16th October, 2020.
    [Local]
  409. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Encryption Inspired Adversarial Defense for Visual Classification,"
    IEEE International Conference on Image Processing,
    pp.1681--1685, Abu Dhabi, United Arab Emirates (UAE), 26th October, 2020.
    [Local]
  410. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "An Extension of Encryption-Inspired Adversarial Defense with Secret Keys against Adversarial Examples,"
    APSIPA Annual Summit and Conference,
    7th December, 2020.
  411. Hiroki ITO, Yuma KINOSHITA, Hitoshi KIYA,
    "A Framework for Transformation Network Training in Coordination with Semi-trusted Cloud Provider for Privacy-Preserving Deep Neural Networks,"
    APSIPA Annual Summit and Conference,
    8th December, 2020.
  412. Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
    "Dialect-Aware Modeling for End-to-End Japanese Dialect Speech Recognition,"
    APSIPA Annual Summit and Conference,
    8th December, 2020.
  413. Yuma KINOSHITA, Hitoshi KIYA,
    "Checkerboard-Artifact-Free Image-Enhancement Network Considering Local and Global Features,"
    APSIPA Annual Summit and Conference,
    Auckland, New Zealand, 8th December, 2020.