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.
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, pp.0, July, 2021.
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.
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.
Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA, "Lightweight and irreversible speech pseudonymization based on data-driven optimization of cascaded voice modification modules," Computer Speech and Language, vol.72, no.101315, November, 2021.
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.
Ryo Imaizumi, Ryo Masumura, Sayaka Shiota, Hitoshi Kiya, "End-to-end Japanese Multi-dialect Speech Recognition and Dialect Identification with Multi-task Learning," APSIPA Transactions on Signal and Information Processing: Vol. 11: No. 1, e4
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.
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.
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.
April Pyone MAUNG MAUNG, Hitoshi KIYA, "Transfer Learning-Based Model Protection With Secret Key," IEEE International Conference on Image Processing, 19th September, 2021.
Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA, "Multi-color balance for color constancy," IEEE International Conference on Image Processing, pp.1369--1373, 20th September, 2021.
Yuma KINOSHITA, Hitoshi KIYA, "SEPARATED-SPECTRAL-DISTRIBUTION ESTIMATION BASED ON BAYESIAN INFERENCE WITH SINGLE RGB CAMERA," IEEE International Conference on Image Processing, 21th September, 2021.
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, 21th September, 2021.
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, 22th September, 2021.
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, 12th October, 2021.
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, 12th October, 2021.
April Pyone MAUNG MAUNG, Hitoshi KIYA, "Ensemble of Key-Based Models: Defense Against Black-Box Adversarial Attacks," IEEE Global Conference on Consumer Electronics, 14th October, 2021.
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, 14th December, 2021.
Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA, "Spatially varying white balancing for mixed and non-uniform illuminants," APSIPA Annual Summit and Conference, 14th December, 2021.
Kenta IIDA, Hitoshi KIYA, "A Privacy-Preserving Image Retrieval Scheme Using a Codebook Generated From Independent Plain-Image Dataset," APSIPA Annual Summit and Conference, 14th December, 2021.
Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA, "A Flexible Reversible Data Hiding Method in Compressible Encrypted Images," APSIPA Annual Summit and Conference, 14th December, 2021.
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, 16th December, 2021.
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, 16th December, 2021.
Hiroyuki KOBAYASHI, Hitoshi KIYA, "Proxy System with JPEG Bitstream-Based File-Size Preserving Encryption for Cloud Photo Streams, "International Workshop on Advanced Image Technology, no.54, 5th January, 2022.
Ryota IIJIMA, April Pyone MAUNG MAUNG, Hitoshi KIYA, "Protection of SVM Model with Secret Key from Unauthorized Access," International Workshop on Advanced Image Technology, no.51, 6th January, 2022.
Kenta IIDA, Hitoshi KIYA, "A Privacy-Preserving Image Retrieval Scheme with a Mixture of Plain and EtC Images," IEEE Global Conference on Life Sciences and Technologies, 7th March, 2022.
Teru NAGAMORI, Hiroki ITO, April Pyone MAUNG MAUNG, Hitoshi KIYA, "Access Control of Object Detection Models Using Encrypted Feature Maps," IEEE Global Conference on Life Sciences and Technologies, pp.179--182, 7th March, 2022.
Tatsuya CHUMAN, Hitoshi KIYA, "Security Evaluation of Block-based Image Encryption for Vision Transformer against Jigsaw Puzzle Solver Attack," IEEE Global Conference on Life Sciences and Technologies, pp.458--461, 8th March, 2022.
受賞・表彰等(本人)
13th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2021) Best Paper Award
2021 International Workshop on Smart Info-Media System in Asia (SISA 2021) Selected Papers
Asia Pacific Signal and Information Processing Association 功労表彰(会長)
受賞・表彰等(指導学生)
Warit Sirichotedumrong、IEEE Signal Processing Society Japan Student Conference Paper Award
伊藤 広樹、2021 International Workshop on Smart Info-Media System in Asia (SISA 2021) Best Student Paper Award