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Journal paper
- 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] - 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] - 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] - 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] [Publish] - 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] - 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, pp.1988--1997, September, 2020.
[webpage] [Local] - Kenta IIDA, Hitoshi KIYA,
"Privacy-Preserving Content-based Image Retrieval Using Compressible Encrypted Images,"
IEEE Access,
vol.8, pp.200038--200050, November, 2020.
[DOI] [webpage] [Publish] - Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
"Distributed secure sparse modeling based on random unitary transform,"
IEEE Access,
vol.8, pp.211762--211772, November, 2020.
[DOI] [webpage] [Local] - 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, No.1, e19, November, 2020.
[webpage] [Local] - 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, pp.1571--1578, December, 2020.
[webpage] [Local] - 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, pp.1579--1588, December, 2020.
[webpage] [Local] - 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, pp.1589--1598, December, 2020.
[webpage] [Local] - 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, pp.1562--1570, December, 2020.
[webpage] [Local]
International conference
- Ayana KAWAMURA, Yuma KINOSHITA, Hitoshi KIYA,
"Privacy-Preserving Machine Learning Using EtC Images,"
International Workshop on Advanced Image Technology,
5th January, 2020.
- Takayuki NAKACHI, Hitoshi KIYA,
"PRIVACY-PRESERVING PATTERN RECOGNITION WITH IMAGE COMPRESSION,"
International Conference on Signal, Image Processing and Pattern Recognition,
vol.10, no.2, 21th March, 2020.
[Publish] - Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
"Sparse modeling on distributed encryption data,"
IEEE International Conference on Acoustics, Speech and Signal Processing,
pp.2123--2127, 5th May, 2020.
[webpage] [Local] - 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,
pp.2697--2701, 5th May, 2020.
[webpage] [Local] - 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, 6th May, 2020.
[Local] - 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, 18th May, 2020.
[DOI] [webpage] [Publish] - Kenta IIDA, Hitoshi KIYA,
"A Content-based Image Retrieval Scheme Using Compressible Encrypted Images,"
EURASIP European Signal Processing Conference,
pp.730--734, 24th August, 2020.
[webpage] [Publish] - Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
"A GAN-Based Image Transformation Scheme for Privacy-Preserving Deep Neural Networks,"
EURASIP European Signal Processing Conference,
pp.745--749, 24th August, 2020.
[webpage] [Publish] - 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,
28th September, 2020.
[Local] - 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,
pp.1--2, 28th September, 2020.
[webpage] [Local] - Masaki KITAYAMA, Hitoshi KIYA, Nobutaka ONO,
"Difficulty in estimating visual information from randomly sampled images,"
IEEE Global Conference on Consumer Electronics,
pp.222--226, 13th October, 2020.
[webpage] [Publish] - 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, 14th October, 2020.
[webpage] [Local] - 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, 14th October, 2020.
[Local] - 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, 14th October, 2020.
[webpage] [Local] - Hiroyuki KOBAYASHI, Hitoshi KIYA,
"Extension of JPEG XS for Two-Layer Lossless Coding,"
IEEE Global Conference on Consumer Electronics,
pp.94--97, 14th October, 2020.
[webpage] [Publish] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Training DNN Model with Secret Key for Model Protection,"
IEEE Global Conference on Consumer Electronics,
pp.533--536, 16th October, 2020.
[webpage] [Local] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Encryption Inspired Adversarial Defense for Visual Classification,"
IEEE International Conference on Image Processing,
pp.1681--1685, 26th October, 2020.
[Local] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"An Extension of Encryption-Inspired Adversarial Defense with Secret Keys against Adversarial Examples,"
APSIPA Annual Summit and Conference,
pp.1369--1374, 7th December, 2020.
[webpage] [Publish] - 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,
pp.1420--1424, 8th December, 2020.
[webpage] [Publish] - Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
"Dialect-Aware Modeling for End-to-End Japanese Dialect Speech Recognition,"
APSIPA Annual Summit and Conference,
pp.297--301, 8th December, 2020.
[webpage] [Local] - Yuma KINOSHITA, Hitoshi KIYA,
"Checkerboard-Artifact-Free Image-Enhancement Network Considering Local and Global Features,"
APSIPA Annual Summit and Conference,
pp.1139--1144, 8th December, 2020.
[webpage] [Publish]
Domestic conference
- Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
"Data augmentation using non-learning-based bandwidth extension for automatic speaker verification based on deep-learning,"
IPSJ Special Interest Groups Spoken Language Processing,
13th February, 2020.
[Local] - Hiroki ITO, Yuma KINOSHITA, Hitoshi KIYA,
"An Image Transformation Network for Privacy-Preserving Deep Neural Networks,"
Technical Report of IEICE,
vol.119, no.422, no.IE2019-75, pp.195--200, 27th February, 2020.
[webpage] [Local] - Takayuki NAKACHI, Yitu WANG, Hitoshi KIYA,
"A Pattern Recognition Method Using Secure Sparse Representations in L0 Norm Minimization ,"
Technical Report of IEICE,
vol.IEICE-119, no.440, pp.169--174, 2nd March, 2020.
[webpage] - Hiroto KAI, Sayaka SHIOTA, Hitoshi KIYA,
"Vulnerability investigation of speaker verification against black-box adversarial attacks,"
Speech Committee,
2nd March, 2020.
[webpage] [Local] - Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
"Japanese dialect speech classification using sequence-to-one neural networks,"
Speech Committee,
vol.IEICE-119, no.440, pp.41--46, 2nd March, 2020.
[webpage] [Local] - Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
"Sparse modeling on distributed encryption signal with random unitary transform,"
Forum on Data Engineering and Information Management,
3rd March, 2020.
[Local] - Ryoichi HIRASAWA, Shoko IMAIZUMI, Hitoshi KIYA,
"Extended EtC images for flexible data hiding and extracting ,"
Technical Report of IEICE,
vol.IEICE-119, no.463, pp.43--48, 5th March, 2020.
[webpage] - Ruifeng LI, Masaaki FUJIYOSHI, Hitoshi KIYA, Yasufumi TAKAMA,
"A Reversible Data Hiding Scheme for the EtC System ,"
Technical Report of IEICE,
vol.IEICE-119, no.458, pp.7--12, 5th March, 2020.
[webpage] - Kazuaki TAKAHASHI, Masaaki FUJIYOSHI, Wannida SAE-TANG, Hitoshi KIYA,
"An Improvement on Data Hiding in the Copyright- and Privacy-Protected Image Trading System ,"
Technical Report of IEICE,
vol.IEICE-119, no.458, pp.13--18, 5th March, 2020.
[webpage] - Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
"LASSO analysis for distributed encryption signal with random unitary transform,"
Technical Report of IEICE,
6th March, 2020.
[Local] - Yuma KINOSHITA, Hitoshi KIYA,
"Luminance-Independent Hue Image Generation Method Based on CIELAB Color Space,"
Technical Report of IEICE,
vol.120, no.51, no.SIS2020-1, pp.1--6, 3rd June, 2020.
[webpage] [Local] - Hiroyuki KOBAYASHI, Hitoshi KIYA,
"Two-layer lossless image coding compatible with JPEG XS,"
Technical Report of IEICE,
4th June, 2020.
[webpage] - Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA,
"Black-box voice modification for voice privacy,"
Acoustical Society of Japan Autumn Meeting,
no.2-2-5, 10th September, 2020.
[Local] - Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
"Using Dialect Label as Auxiliary Feature for End-to-End Japanese Dialect Speech Recognition,"
Acoustical Society of Japan Autumn Meeting,
no.3-2-15, 11th September, 2020.
[Local] - Miki TANAKA, Hitoshi KIYA,
"Robustness Evaluation of Detectinon methods for Image manipulation with GANs,"
Technical Report of IEICE,
vol.120, no.176, no.SIS2020-14, pp.23--28, 1st October, 2020.
[webpage] [Local] - Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
"Target-color correction method based on multi-color balance,"
Technical Report of IEICE,
vol.120, no.176, no.SIS2020-12, pp.11--16, 1st October, 2020.
[webpage] [Local] - Masaki KITAYAMA, Nobutaka ONO, Hitoshi KIYA,
"Evaluation of linear dimensionality reduction methods considering visual information protection for privacy-preserving machine learning,"
Technical Report of IEICE,
vol.120, no.176, no.SIS2020-13 , pp.17--22, 1st October, 2020.
[webpage] [Local] - Sakurako OKUNO, Sayaka SHIOTA, Hitoshi KIYA,
"Investigation on language dependence of deep-learning based spoofing detection for speaker verification,"
IPSJ Special Interest Groups Spoken Language Processing,
vol.134, no.33, pp.1--5, 3rd December, 2020.
[webpage] [Local]
Others