Using phase linearity in frequency-domain ICA to tackle the permutation problem. - Keisuke Toyama 002; Mark D. Plumbley (ICASSP, 2009)

Estimating Phase Linearity in the Frequency-Domain ICA Demixing Matrix. - Keisuke Toyama 002; Mark D. Plumbley (ICA, 2009)

Automatic Piano Transcription With Hierarchical Frequency-Time Transformer. - Keisuke Toyama 002; Taketo Akama; Yukara Ikemiya; Yuhta Takida; Wei-Hsiang Liao 001; Yuki Mitsufuji (ISMIR, 2023)

E2E Refined Dataset. - Keisuke Toyama 002; Katsuhito Sudoh; Satoshi Nakamura 001 (O-COCOSDA, 2023)

Content Order-Controllable MR-to-Text. - Keisuke Toyama 002; Katsuhito Sudoh; Satoshi Nakamura 001 (IEEE Access, 2023)

Timbre-Trap: A Low-Resource Framework for Instrument-Agnostic Music Transcription. - Frank Cwitkowitz; Kin Wai Cheuk; Woosung Choi; Marco A. Martínez Ramírez; Keisuke Toyama 002; Wei-Hsiang Liao 001; Yuki Mitsufuji (ICASSP, 2024)

DisMix: Disentangling Mixtures of Musical Instruments for Source-level Pitch and Timbre Manipulation. - Yin-Jyun Luo; Kin Wai Cheuk; Woosung Choi; Toshimitsu Uesaka; Keisuke Toyama 002; Koichi Saito; Chieh-Hsin Lai; Yuhta Takida; Wei-Hsiang Liao 001; Simon Dixon; Yuki Mitsufuji (CoRR, 2024)

Music Foundation Model as Generic Booster for Music Downstream Tasks. - Wei-Hsiang Liao 001; Yuhta Takida; Yukara Ikemiya; Zhi Zhong; Chieh-Hsin Lai; Giorgio Fabbro; Kazuki Shimada; Keisuke Toyama 002; Kin Wai Cheuk; Marco A. Martínez Ramírez; Shusuke Takahashi; Stefan Uhlich; et al. (Trans. Mach. Learn. Res., 2025)

SpecMaskFoley: Steering Pretrained Spectral Masked Generative Transformer Toward Synchronized Video-to-audio Synthesis via ControlNet. - Zhi Zhong; Akira Takahashi; Shuyang Cui; Keisuke Toyama 002; Shusuke Takahashi; Yuki Mitsufuji (CoRR, 2025)