2023

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Journal paper
  1. Hitoshi KIYA, Ryota IIJIMA, April Pyone MAUNG MAUNG, Yuma KINOSHITA,
    "Image and Model Transformation with Secret Key for Vision Transformer,"
    IEICE Trans. Inf. & Sys.,
    vol.E106.D, no.1, pp.2--11, January, 2023.
    [DOI]
  2. Teru NAGAMORI, Hiroki ITO, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Access Control with Encrypted Feature Maps for Object Detection Models,"
    IEICE Trans. Inf. & Sys.,
    vol.E106-D, no.1, pp.12--21, January, 2023.
    [DOI] [webpage]
  3. Ching-Chun Chang, Xu Wang, Sisheng Chen, Hitoshi KIYA, Isao ECHIZEN,
    "On the predictability in reversible steganography,"
    Telecommunication Systems,
    January, 2023.
    [DOI] [webpage]
  4. Genki HAMANO, Shoko IMAIZUMI, Hitoshi KIYA,
    "Effects of JPEG Compression on Vision Transformer Image Classification for Encryption-then-Compression Images,"
    MDPI Sensors,
    vol.23, no.7, March, 2023.
    [DOI] [webpage]
  5. Zheng QI, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Privacy-Preserving Image Classification Using ConvMixer with Adaptative Permutation Matrix and Block-Wise Scrambled Image Encryption,"
    MDPI Journal of Imaging,
    vol.9, no.4, April, 2023.
    [DOI] [webpage]
  6. Yuki Shiroma, Yuma KINOSHITA, Keisuke IMOTO, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
    "Missing Data Completion of Multi-channel Signals Using Autoencoder for Acoustic Scene Classification,"
    APSIPA Trans. Signal and Information Processing,
    vol.12, no.3, e16, April, 2023.
    [DOI] [webpage]
  7. Tatsuya CHUMAN, Hitoshi KIYA,
    "A Jigsaw Puzzle Solver-Based Attack on Image Encryption Using Vision Transformer for Privacy-Preserving DNNs,"
    MDPI Information,
    vol.14, no.6, May, 2023.
    [DOI] [webpage]
  8. Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "Reversible Data Hiding in Compressible Encrypted Images with Capacity Enhancement,"
    APSIPA Trans. Signal and Information Processing,
    vol.12, no.1, e31, July, 2023.
    [DOI] [webpage]
  9. Hitoshi KIYA, Ryota IIJIMA, Teru NAGAMORI,
    "Block-Wise Encryption for Reliable Vision Transformer models,"
    ECTI Trans. Computer and Information Technology,
    vol.17, no.3, pp.409--419, September, 2023.
    [DOI] [webpage] [Publish]
International conference
  1. Tatsuya CHUMAN, Hitoshi KIYA,
    "A Jigsaw Puzzle Solver-based Attack on Block-wise Image Encryption for Privacy-preserving DNNs,"
    International Workshop on Advanced Image Technology,
    9th January, 2023.
  2. Teru NAGAMORI, Hitoshi KIYA,
    "Combined Use of Federated Learning and Image Encryption for Privacy-Preserving Image Classification with Vision Transformer,"
    RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing,
    1st March, 2023.
    [Publish]
  3. Zheng QI, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Color-NeuraCrypt: Privacy-Preserving Color-Image Classification Using Extended Random Neural Networks,"
    RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing,
    1st March, 2023.
    [Publish]
  4. Rei ASO, Tatsuya CHUMAN, Hitoshi KIYA,
    "A Privacy Preserving Method with a Random Orthogonal Matrix for ConvMixer Models,"
    RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing,
    1st March, 2023.
  5. Shoko NIWA, Sayaka SHIOTA, Hitoshi KIYA,
    "A privacy-preserving method using secret key for convolutional neural network-based speech classification,"
    EURASIP European Signal Processing Conference,
    5th September, 2023.
  6. Tatsuya CHUMAN, Nobutaka ONO, Hitoshi KIYA,
    "Security Evaluation of Compressible and Learnable Image Encryption Against Jigsaw Puzzle Solver Attacks ,"
    IEEE Global Conference on Consumer Electronics,
    12th October, 2023.
  7. Kosuke ABE, Shoko IMAIZUMI, Hitoshi KIYA,
    "Effects of Data Hiding on Vision Transformer Classification for Encryption-Then-Compression Images,"
    IEEE Global Conference on Consumer Electronics,
    12th October, 2023.
  8. Rei ASO, Sayaka SHIOTA, Hitoshi KIYA,
    "Enhanced Security With Encrypted Vision Transformer in Federated Learning,"
    IEEE Global Conference on Consumer Electronics,
    12th October, 2023.
  9. Ryota IIJIMA, Miki TANAKA, Sayaka SHIOTA, Hitoshi KIYA,
    "Enhanced Security Against Adversarial Examples Using a Random Ensemble of Encrypted Vision Transformer Models ,"
    IEEE Global Conference on Consumer Electronics,
    13th October, 2023.
  10. Teru NAGAMORI, Sayaka SHIOTA, Hitoshi KIYA,
    "Domain Adaptation for Efficiently Fine-Tuning Vision Transformer with Encrypted Images,"
    APSIPA Annual Summit and Conference,
    pp.1666--1672, 2nd November, 2023.
    [Local]
  11. April Pyone MAUNG MAUNG, Isao ECHIZEN, Hitoshi KIYA,
    "Hindering Adversarial Attacks with Multiple Encrypted Patch Embeddings,"
    APSIPA Annual Summit and Conference,
    pp.1386--1392, 2nd November, 2023.
    [Local]
  12. Tomoka WAKAMATSU, Sayaka SHIOTA, Hitoshi KIYA,
    "Vocal Tract Length Perturbation-based Pseudo-Speaker Augmentation for Speaker Embedding Learning,"
    APSIPA Annual Summit and Conference,
    pp.2209--2213, 3rd November, 2023.
    [Local]
  13. Yuma KINOSHITA, Kouei YAMAOKA, Hitoshi KIYA,
    "Maximization of 2D Cross-Correlation Based on Auxiliary Function Method for Image Alignment,"
    APSIPA Annual Summit and Conference,
    pp.2032--2036, 3rd November, 2023.
    [Local]
Domestic conference
  1. Kosuke ABE, Shoko IMAIZUMI, Hitoshi KIYA,
    "Influence of Data Hiding in EtC-Image Classification with Vision Transformer ,"
    Technical Report of IEICE,
    26th January, 2023.
    [webpage]
  2. Miki TANAKA, Isao ECHIZEN, Hitoshi KIYA,
    "On the Transferability of Adversarial Examples between Isotropic Network and CNN models ,"
    Technical Report of IEICE,
    26th January, 2023.
    [webpage]
  3. Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
    "Image reconstruction with a diffusion model for robust image classification against unknown degradation,"
    Technical Report of IEICE,
    vol.122, no.388, no.SIP2022-127, pp.49--54, 28th February, 2023.
    [webpage] [Local]
  4. Tomoka WAKAMATSU, Atsushi ANDO, Sayaka SHIOTA, Ryo MASUMURA, Hitoshi KIYA,
    "The linguistic influence on speaker verification based on Self-Supervised Learning,"
    Speech Committee,
    vol.122, no.389, no.SP2022-82, pp.247--252, 1st March, 2023.
    [webpage] [Publish] [Local]
  5. Kenzo WADA, Sayaka SHIOTA, Hitoshi KIYA,
    "Data cleansing using synthetic speech detection for speaker verification ,"
    Speech Committee,
    vol.122, no.389, no.SP2022-84, pp.259--263, 1st March, 2023.
    [webpage] [Local]
  6. Hitoshi KIYA,
    "Image transformation with random numbers for reliable AI ,"
    Technical Report of IEICE,
    vol.122, no.412, no.EMM2022-87 , pp.107--109, 2nd March, 2023.
    [webpage] [Local]
  7. Rei ASO, Sayaka SHIOTA, Hitoshi KIYA,
    "Enhanced Security with the Embedding Structure of Vision Transformer in Federated Learning,"
    Technical Report of IEICE,
    vol.123, no.15, no.EMM2023-5, pp.24--29, 11th May, 2023.
    [Local]
  8. Sayaka SHIOTA, Teru NAGAMORI, Tomoka WAKAMATSU, Shinnosuke Takamichi,
    "None,"
    IPSJ Music and computer Symposium,
    23th June, 2023.
  9. Ryota IIJIMA, Miki TANAKA, Sayaka SHIOTA, Hitoshi KIYA,
    "A Random Ensemble Method with Encrypted Models for Improving Robustness against Adversarial Examples,"
    Technical Report of IEICE,
    vol.123, no.134, pp.86--90, 17th July, 2023.
    [webpage]
  10. Daiki FUJIKAWA, Shoko IMAIZUMI, Takahiko HORIUCHI,
    "A Perceptual Collation Method for Color Halftone Images Using Vision Transformer,"
    Technical Report of IEICE,
    vol.123, no.152, pp.7--12, 31th July, 2023.
    [webpage]
  11. Haiwei Lin , Shoko IMAIZUMI, Hitoshi KIYA,
    "An Extension of Image Encryption for Vision Transformer Considering Privacy Protection ,"
    Technical Report of IEICE,
    vol.123, no.152, pp.1--6, 31th July, 2023.
    [webpage]
  12. Shoko NIWA, Sayaka SHIOTA, Hitoshi KIYA,
    "Speech privacy-preserving method with secret key using random orthogonal matrix,"
    Acoustical Society of Japan Autumn Meeting,
    pp.1221--1224, 27th September, 2023.
  13. Ryoya OGURA, Keisuke IMOTO, Hitoshi KIYA, Sayaka SHIOTA,
    "Single-channel Environmental Sound Classification Using Distance-Based Sound Separation,"
    Acoustical Society of Japan Autumn Meeting,
    pp.375--378, 28th September, 2023.
  14. Haiwei Lin , Shoko IMAIZUMI, Hitoshi KIYA,
    "Security Enhancement for Privacy-Preserving Image Classification with ConvMixer,"
    IEICE Signal Processing Symposium,
    8th November, 2023.
    [Local]
  15. Yuma KINOSHITA, Kouei YAMAOKA, Hitoshi KIYA,
    "2D Cross-Correlation Maximization Based on Auxiliary Function Method for Image Alignment,"
    IEICE Signal Processing Symposium,
    8th November, 2023.
    [Local]
Others