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Jounal paper
- 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] - 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] - 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] - 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, September, 2020.
- Kenta IIDA, Hitoshi KIYA,
"Privacy-Preserving Content-based Image Retrieval Using Compressible Encrypted Images,"
IEEE Access,
vol.8, November, 2020.
[DOI] [Publish] - Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
"Distributed secure sparse modeling based on random unitary transform,"
IEEE Access,
pp.1--11, November, 2020.
[DOI] - 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.
- 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.
- 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.
- 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.
- 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
- Ayana KAWAMURA, Yuma KINOSHITA, Hitoshi KIYA,
"Privacy-Preserving Machine Learning Using EtC Images,"
International Workshop on Advanced Image Technology,
Yogyakarta, Indonesia, 5th January, 2020.
- 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.
- 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.
- 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.
- 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] - 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] - Kenta IIDA, Hitoshi KIYA,
"A Content-based Image Retrieval Scheme Using Compressible Encrypted Images,"
EURASIP European Signal Processing Conference,
Amsterdam, Netherlands, 24th August, 2020.
- 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.
- 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] - 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] - 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.
- 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] - 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] - 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] - Hiroyuki KOBAYASHI, Hitoshi KIYA,
"Extension of JPEG XS for Two-Layer Lossless Coding,"
IEEE Global Conference on Consumer Electronics,
Kobe, Japan, 14th October, 2020.
- 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] - 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] - 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.
- 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.
- 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.
- 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.