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Journal paper
- Masaaki FUJIYOSHI, Ruifeng LI, Hitoshi KIYA,
"A Scheme of Reversible Data Hiding for the Encryption-then-Compression System,"
IEICE Trans. Inf. & Sys.,
vol.E104-D, no.1, pp.43--50, January, 2021.
[webpage] [Publish] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Block-wise Image Transformation with Secret Key for Adversarially Robust Defense,"
IEEE Trans. on Information Forensics and Security,
pp.2709--2723, March, 2021.
[DOI] [webpage] [Local] - Ryoya YAGUCHI, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
"Replay Attack Detection Based on Spatial and Spectral Features of Stereo Signal,"
IPSJ Journal of Information Processing,
vol.29, pp.275--282, March, 2021.
[DOI] [webpage] [Publish] - Hiroki ITO, Yuma KINOSHITA, April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Image to Perturbation: An Image Transformation Network for Generating Visually Protected Images for Privacy-Preserving Deep Neural Networks,"
IEEE Access,
vol.9, pp.64629--64638, April, 2021.
[DOI] [webpage] [Publish] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"A protection method of trained CNN model with a secret key from unauthorized access,"
APSIPA Trans. Signal and Information Processing,
vol.10, No.1, e11, pp.0, July, 2021.
[DOI] [webpage] [Publish] - Miki TANAKA, Sayaka SHIOTA, Hitoshi KIYA,
"A Detection Method of Operated Fake-Images Using Robust Hashing,"
MDPI Journal of Imaging,
vol.7, no.8, August, 2021.
[DOI] [webpage] - Teruaki AKAZAWA, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
"Three-Color Balancing for Color Constancy Correction,"
MDPI Journal of Imaging,
vol.7, no.10, pp.1--15, October, 2021.
[DOI] [webpage] - Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
"A Reversible Data Hiding Method in Encrypted Images for Controlling Trade-Off between Hiding Capacity and Compression Efficiency,"
MDPI Journal of Imaging,
vol.7, no.12, December, 2021.
[DOI] [webpage]
International conference
- Takayuki OSAKABE, Miki TANAKA, Yuma KINOSHITA, Hitoshi KIYA,
"CycleGAN without checkerboard artifacts for counter-forensics of fake-image detection,"
International Workshop on Advanced Image Technology,
5th January, 2021.
[Local] - Hiroyuki KOBAYASHI, Hitoshi KIYA,
"Two-layer image coding compatible with JPEG XS,"
International Workshop on Advanced Image Technology,
5th January, 2021.
[Local] - Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA,
"Lightweight voice anonymization based on data-driven optimization of cascaded voice modification modules,"
IEEE Spoken Language Technology Workshop,
pp.560--566, 22th January, 2021.
[webpage] [Local] - Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
"Multi-color balancing for correctly adjusting the intensity of target colors,"
IEEE Global Conference on Life Sciences and Technologies,
pp.8--12, 9th March, 2021.
[webpage] [Local] - Miki TANAKA, Hitoshi KIYA,
"Fake-image detection with Robust Hashing,"
IEEE Global Conference on Life Sciences and Technologies,
pp.40--43, 9th March, 2021.
[webpage] [Publish] - Kenta IIDA, Hitoshi KIYA,
"Privacy-preserving Image Retrieval Scheme Allowing Mixed Use of Lossless and JPEG Compressed Images,"
IEEE Global Conference on Life Sciences and Technologies,
pp.37--39, 9th March, 2021.
[webpage] [Local] - Ryoichi HIRASAWA, Shoko IMAIZUMI, Hitoshi KIYA,
"An MSB Prediction-Based Method with Marker Bits for Reversible Data Hiding in Encrypted Images,"
IEEE Global Conference on Life Sciences and Technologies,
pp.48--50, 9th March, 2021.
[webpage] [Local] - Kouki SEO, Yuma KINOSHITA, Hitoshi KIYA,
"Deep Retinex Network for Estimating Illumination Colors with Self-Supervised Learning,"
IEEE Global Conference on Life Sciences and Technologies,
pp.1--5, 9th March, 2021.
[webpage] [Local] - Masaki KITAYAMA, Hitoshi KIYA,
"Generation of Gradient-Preserving Images allowing HOG Feature Extraction,"
IEEE International Conference on Consumer Electronics - Taiwan,
pp.1--2, 16th June, 2021.
[webpage] [Publish] - Tatsuya CHUMAN, Hitoshi KIYA,
"Block Scrambling Image Encryption Used in Combination with Data Augmentation for Privacy-Preserving DNNs,"
IEEE International Conference on Consumer Electronics - Taiwan,
pp.1--2, 16th June, 2021.
[webpage] [Publish] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Piracy-Resistant DNN Watermarking by Block-Wise Image Transformation with Secret Key,"
ACM Workshop on Information Hiding and Multimedia Security,
22th June, 2021.
[Publish] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Transfer Learning-Based Model Protection With Secret Key,"
IEEE International Conference on Image Processing,
pp.3877--3881, 19th September, 2021.
[webpage] [Publish] - Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
"Multi-color balance for color constancy,"
IEEE International Conference on Image Processing,
pp.1369--1373, 20th September, 2021.
[DOI] [webpage] [Publish] - Yuma KINOSHITA, Hitoshi KIYA,
"SEPARATED-SPECTRAL-DISTRIBUTION ESTIMATION BASED ON BAYESIAN INFERENCE WITH SINGLE RGB CAMERA,"
IEEE International Conference on Image Processing,
pp.1379--1383, 21th September, 2021.
[webpage] [Publish] - Hiroki ITO, April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Protecting Semantic Segmentation Models by Using Block-wise Image Encryption with Secret Key from Unauthorized Access,"
International Workshop on Smart Info-Media Systems in Asia,
pp.22--27, 21th September, 2021.
[Local] - Masaki KITAYAMA, Sayaka SHIOTA, Hitoshi KIYA,
"HOG-Based Channel Features for CNN-Based Object Detector on Small-Scale Dataset,"
International Workshop on Smart Info-Media Systems in Asia,
pp.89--84, 22th September, 2021.
[Local] - Miki TANAKA, Sayaka SHIOTA, Hitoshi KIYA,
"A Universal Detector of CNN-Generated Images Using Properties of Checkerboard Artifacts in the Frequency Domain,"
IEEE Global Conference on Consumer Electronics,
pp.103--106, 12th October, 2021.
[webpage] [Publish] - Yuki Shiroma, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
"Phase representation based on HSV color model for acoustic classification with convolutional neural networks,"
IEEE Global Conference on Consumer Electronics,
pp.427--429, 12th October, 2021.
[webpage] [Local] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Ensemble of Key-Based Models: Defense Against Black-Box Adversarial Attacks,"
IEEE Global Conference on Consumer Electronics,
pp.95--98, 14th October, 2021.
[webpage] [Local] - Hiroki ITO, April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Access Control Using Spatially Invariant Permutation of Feature Maps for Semantic Segmentation Models,"
APSIPA Annual Summit and Conference,
pp.1833--1838, 14th December, 2021.
[webpage] [Publish] - Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
"Spatially varying white balancing for mixed and non-uniform illuminants,"
APSIPA Annual Summit and Conference,
pp.1571--1575, 14th December, 2021.
[webpage] [Publish] - Kenta IIDA, Hitoshi KIYA,
"A Privacy-Preserving Image Retrieval Scheme Using a Codebook Generated From Independent Plain-Image Dataset,"
APSIPA Annual Summit and Conference,
pp.1846--1850, 14th December, 2021.
[webpage] [Publish] - Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
"A Flexible Reversible Data Hiding Method in Compressible Encrypted Images,"
APSIPA Annual Summit and Conference,
pp.1794--1799, 14th December, 2021.
[webpage] [Local] - Yuki Shiroma, Keisuke IMOTO, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
"Investigation on Spatial and Frequency-Based Features for Asynchronous Acoustic Scene Analysis,"
APSIPA Annual Summit and Conference,
pp.1161--1166, 16th December, 2021.
[webpage] [Local] - April Pyone MAUNG MAUNG, Hitoshi KIYA,
"A Protection Method of Trained CNN Model Using Feature Maps Transformed With Secret Key From Unauthorized Access,"
APSIPA Annual Summit and Conference,
pp.1851--1857, 16th December, 2021.
[webpage] [Publish]
Domestic conference
- Ryoichi HIRASAWA, Shoko IMAIZUMI, Hitoshi KIYA,
"An Extension of MSB Prediction-Based Method for Reversible Data Hiding in Encrypted Images,"
Technical Report of IEICE,
vol.120, no.351, pp.25--30, 28th January, 2021.
[Local] - Yujin SONG , Sayaka SHIOTA, Shinnosuke Takamichi, Daisuke MURAKAMI, Tomoko MATSUI, Hiroshi SARUWATARI,
"None,"
IPSJ Special Interest Groups Spoken Language Processing,
4th March, 2021.
- Kotaro YAMAMURA, Ryoichi HIRASAWA, Shoko IMAIZUMI, Hitoshi KIYA,
"An MSB Prediction-Based Method Using Linear Regression for Reversible Data Hiding in Encrypted Images,"
Technical Report of IEICE,
vol.IEICE-120, no.418, pp.46--51, 5th March, 2021.
[webpage] - Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA,
"Speech pseudonymization using cascaded voice modification for privacy protection,"
Acoustical Society of Japan Spring Meeting,
11th March, 2021.
[Local] - Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
"Multitask Learning for End-to-End Japanese Dialect Speech Recognition and Dialect Identification,"
Acoustical Society of Japan Spring Meeting,
11th March, 2021.
[Local] - Miki TANAKA, Hitoshi KIYA,
"A universal detector of CNN-generated images based on properties of checkerboard artifacts ,"
Technical Report of IEICE,
vol.IEICE-121, no.29, pp.13--18, 20th May, 2021.
[webpage] [Local] - Kotaro YAMAMURA, Shoko IMAIZUMI, Hitoshi KIYA,
"An MSB Prediction-Based Method with Less Prediction Errors for Reversible Data Hiding in Encrypted Images ,"
Technical Report of IEICE,
vol.IEICE-121, no.29, pp.72--77, 21th May, 2021.
[webpage] - Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
"A reversible data hiding method with high flexibility in compressive encrypted images ,"
Technical Report of IEICE,
vol.IEICE-121, no.29, pp.78--83, 21th May, 2021.
[webpage] - Yuki Shiroma, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
"Investigation on fine-tuning with image classification networks for deep neural network-based musical instrument classification,"
IPSJ Music and computer Symposium,
vol.IEICE-121, no.66, pp.75--79, 19th June, 2021.
[webpage] [Local] - Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA,
"Irreversibility evaluation of speech superposition for speaker pseudonymization,"
Acoustical Society of Japan Autumn Meeting,
7th September, 2021.
[Local] - Ozora OGINO, Ryo IMAIZUMI, Sayaka SHIOTA, Hitoshi KIYA,
"Deep neural network-based replay attack detection using stereo signals for speaker verification,"
Acoustical Society of Japan Autumn Meeting,
8th September, 2021.
[Local] - Ryota IIJIMA, April Pyone MAUNG MAUNG, Hitoshi KIYA,
"Block-wise Transformation with Secret Key for Adversary Robust Defence of SVM model,"
Technical Report of IEICE,
vol.121, no.190, no.SIS2021-13, pp.17--22, 7th October, 2021.
[webpage] [Local] - Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
"An Reversible Data Hiding Method with High Hiding Capacity for Compressive Encrypted Images,"
IEICE Signal Processing Symposium,
vol.IEICE-121, no.29, pp.78--83, 9th November, 2021.
[webpage] - Miki TANAKA, Hitoshi KIYA,
"A consideration of training datasets for universal detectors of CNN-generated images ,"
Technical Report of IEICE,
vol.IEICE-121, no.247, no.IEICE-EMM2021-59 , pp.31--36, 15th November, 2021.
[webpage] [Local]
Others