Papers

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Journal paper

1. 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, January, 2021.
   
2. 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]
3. 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]
4. 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]
5. 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.
   [DOI] [webpage] [Publish]
6. 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]
7. 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]
8. 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.
   [DOI] [webpage] [Local]
9. 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

1. 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]
2. Hiroyuki KOBAYASHI, Hitoshi KIYA,
   "Two-layer image coding compatible with JPEG XS,"
   International Workshop on Advanced Image Technology,
   5th January, 2021.
   [Local]
3. 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,
   22th January, 2021.
   [webpage]
4. 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.
   [Local]
5. Miki TANAKA, Hitoshi KIYA,
   "Fake-image detection with Robust Hashing,"
   IEEE Global Conference on Life Sciences and Technologies,
   9th March, 2021.
   
6. 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,
   9th March, 2021.
   
7. 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,
   9th March, 2021.
   
8. 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.
   [Local]
9. 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.
   
10. 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.
    
11. 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.
    
12. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Transfer Learning-Based Model Protection With Secret Key,"
    IEEE International Conference on Image Processing,
    19th September, 2021.
    
13. 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]
14. 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.
    
15. 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.
    [Local]
16. 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.
    
17. 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.
    
18. 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.
    
19. 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.
    
20. 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.
    
21. Teruaki AKAZAWA, Yuma KINOSHITA, Hitoshi KIYA,
    "Spatially varying white balancing for mixed and non-uniform illuminants,"
    APSIPA Annual Summit and Conference,
    14th December, 2021.
    
22. 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.
    
23. ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Flexible Reversible Data Hiding Method in Compressible Encrypted Images,"
    APSIPA Annual Summit and Conference,
    14th December, 2021.
    [Local]
24. 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.
    [Local]
25. 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.
    

Domestic conference

1. 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]
2. Yujin SONG , Sayaka SHIOTA, Shinnosuke Takamichi, Daisuke MURAKAMI, Tomoko MATSUI, Hiroshi SARUWATARI,
   "None,"
   IPSJ Special Interest Groups Spoken Language Processing,
   4th March, 2021.
   
3. 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,
   5th March, 2021.
   
4. 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.
   
5. 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.
   
6. Miki TANAKA, Hitoshi KIYA,
   "A universal detector of CNN-generated images based on properties of checkerboard artifacts ,"
   Technical Report of IEICE,
   20th May, 2021.
   [webpage]
7. 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,
   21th May, 2021.
   [webpage]
8. ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
   "A reversible data hiding method with high flexibility in compressive encrypted images ,"
   Technical Report of IEICE,
   21th May, 2021.
   [webpage]
9. 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,
   19th June, 2021.
   [Local]
10. 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.
    
11. 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.
    
12. 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]
13. ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "An Reversible Data Hiding Method with High Hiding Capacity for Compressive Encrypted Images,"
    IEICE Signal Processing Symposium,
    9th November, 2021.
    
14. 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]

Others