Sketch-Based Manga Retrieval Using Deep Features. - Rei Narita; Koki Tsubota; Toshihiko Yamasaki; Kiyoharu Aizawa (MANPU@ICDAR, 2017)

Adaptation of manga face representation for accurate clustering. - Koki Tsubota; Toru Ogawa; Toshihiko Yamasaki; Kiyoharu Aizawa (SIGGRAPH ASIA Posters, 2018)

Synthesis of Screentone Patterns of Manga Characters. - Koki Tsubota; Daiki Ikami; Kiyoharu Aizawa (ISM, 2019)

Few-Shot Font Generation with Deep Metric Learning. - Haruka Aoki; Koki Tsubota; Hikaru Ikuta; Kiyoharu Aizawa (ICPR, 2020)

Unsupervised Embedding Learning by Noisy Similarity Label Optimization. - Koki Tsubota; Kiyoharu Aizawa (VCIP, 2020)

Building a Manga Dataset "Manga109" With Annotations for Multimedia Applications. - Kiyoharu Aizawa; Azuma Fujimoto; Atsushi Otsubo; Toru Ogawa; Yusuke Matsui; Koki Tsubota; Hikaru Ikuta (IEEE Multim., 2020)

Learned Image Compression With Super-Resolution Residual Modules and DISTS Optimization. - Akifumi Suzuki; Hiroaki Akutsu; Takahiro Naruko; Koki Tsubota; Kiyoharu Aizawa (CVPR Workshops, 2021)

Improving The Quality Of Illustrations: Transforming Amateur Illustrations To A Professional Standard. - Keita Awane; Koki Tsubota; Hikaru Ikuta; Yusuke Matsui; Kiyoharu Aizawa; Naohiro Yanase (ICIP, 2021)

Comprehensive Comparisons Of Uniform Quantizers For Deep Image Compression. - Koki Tsubota; Kiyoharu Aizawa (ICIP, 2021)

NTIRE 2021 Challenge on Perceptual Image Quality Assessment. - Jinjin Gu; Haoming Cai; Chao Dong 005; Jimmy S. Ren; Yu Qiao 001; Shuhang Gu; Radu Timofte; Manri Cheon; Sung-Jun Yoon; Byungyeon Kang; Junwoo Lee; Qing Zhang; et al. (CoRR, 2021)

Evaluating the Stability of Deep Image Quality Assessment with Respect to Image Scaling. - Koki Tsubota; Hiroaki Akutsu; Kiyoharu Aizawa (IEICE Trans. Inf. Syst., 2022)

Restorable Visible and Infrared Image Fusion. - Jihun Kang; Daichi Horita; Koki Tsubota; Kiyoharu Aizawa (ICIP, 2023)

Universal Deep Image Compression via Content-Adaptive Optimization with Adapters. - Koki Tsubota; Hiroaki Akutsu; Kiyoharu Aizawa (WACV, 2023)

Comprehensive Comparisons of Uniform Quantization in Deep Image Compression. - Koki Tsubota; Kiyoharu Aizawa (IEEE Access, 2023)

Quality Enhancement of Conventional Compression with a Learned Side Bitstream. - Takahiro Naruko; Hiroaki Akutsu; Koki Tsubota; Kiyoharu Aizawa (IEICE Trans. Inf. Syst., 2023)

Content-Adaptive Optimization Framework for Universal Deep Image Compression. - Koki Tsubota; Kiyoharu Aizawa (IEICE Trans. Inf. Syst., 2024)