Papers

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Jounal paper
  1. Takayuki NAKACHI, Yukihiro Bandoh, Hitoshi KIYA,
    "Secure Overcomplete Dictionary Learning for Sparse Representation,"
    IEICE Trans. Inf. & Sys.,
    vol.E103-D, no.1, pp.50--58, January, 2020.
    [Local]
  2. Kenta IIDA, Hitoshi KIYA,
    "Image Identification of Encrypted JPEG Images for Privacy-preserving Photo Sharing Services,"
    IEICE Trans. Inf. & Sys.,
    vol.E103-D, no.1, pp.25--32, January, 2020.
    [Local]
  3. Ryota KAMINISHI, Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Blind bandwidth extension with a non-linear function and its evaluation on automatic speaker verification,"
    IEICE Trans. Inf. & Sys.,
    vol.E103-D, no.1, pp.42--49, January, 2020.
    [Local]
  4. Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Based on Constant-Hue Plane for Deep-Learning-Based Color-Image Enhancement,"
    IEEE Access,
    vol.8, no.1, pp.9540--9550, January, 2020.
    [DOI]
  5. Takayuki NAKACHI, Hitoshi KIYA,
    "Secure OMP Based Pattern Recognition that Supports Image Compression,"
    Signal & Image Processing: An International Journal,
    vol.11, no.2, pp.23--39, April, 2020.
    [Publish] [Local]
  6. Takayuki NAKACHI, Hitoshi KIYA,
    "Secure OMP Computation Maintaining Sparse Representations and Its Application to EtC Systems,"
    IEICE Trans. Inf. & Sys.,
    vol.E103-D, no.9, September, 2020.
  7. Kenta IIDA, Hitoshi KIYA,
    "Privacy-Preserving Content-based Image Retrieval Using Compressible Encrypted Images,"
    IEEE Access,
    vol.8, November, 2020.
    [DOI] [Publish]
  8. Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
    "Distributed secure sparse modeling based on random unitary transform,"
    IEEE Access,
    pp.1--11, November, 2020.
    [DOI]
  9. Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Considering CIEDE2000 for Color-Image Enhancement Including Deep-Learning-Based Algorithms,"
    APSIPA Trans. Signal and Information Processing,
    vol.9, November, 2020.
  10. Ayana KAWAMURA, Yuma KINOSHITA, Takayuki NAKACHI, Sayaka SHIOTA, Hitoshi KIYA,
    "A Privacy-Preserving Machine Learning Scheme Using EtC Images,"
    IEICE Trans. Fundamentals,
    vol.E103-A, no.12, December, 2020.
  11. Shoko IMAIZUMI, Yusuke Izawa, Ryoichi HIRASAWA, Hitoshi KIYA,
    "A Reversible Data Hiding Method in Compressible Encrypted Images,"
    IEICE Trans. Fundamentals,
    vol.E103-A, no.12, December, 2020.
  12. Takayuki NAKACHI, Hitoshi KIYA,
    "L0 Norm Optimization in Scrambled Sparse Representation Domain and Its Application to EtC System,"
    IEICE Trans. Fundamentals,
    vol.E103-A, no.12, December, 2020.
  13. Kouki SEO, Chihiro GO, Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Considering Non-Linear Camera Response for Multi-Exposure Image Fusion,"
    IEICE Trans. Fundamentals,
    vol.E103-A, no.12, December, 2020.
International conference
  1. Ayana KAWAMURA, Yuma KINOSHITA, Hitoshi KIYA,
    "Privacy-Preserving Machine Learning Using EtC Images,"
    International Workshop on Advanced Image Technology,
    Yogyakarta, Indonesia, 5th January, 2020.
  2. 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.
  3. 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.
  4. 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.
  5. 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]
  6. 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]
  7. Kenta IIDA, Hitoshi KIYA,
    "A Content-based Image Retrieval Scheme Using Compressible Encrypted Images,"
    EURASIP European Signal Processing Conference,
    Amsterdam, Netherlands, 24th August, 2020.
  8. 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.
  9. 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]
  10. 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]
  11. 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.
  12. 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]
  13. 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]
  14. 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]
  15. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Extension of JPEG XS for Two-Layer Lossless Coding,"
    IEEE Global Conference on Consumer Electronics,
    Kobe, Japan, 14th October, 2020.
  16. 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]
  17. 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]
  18. 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.
  19. 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.
  20. 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.
  21. 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.