Complex Extension of Infinite Sparse Factor Analysis for Blind Speech Separation. - Kohei Nagira; Toru Takahashi 001; Tetsuya Ogata; Hiroshi G. Okuno (LVA/ICA, 2012)

Infinite Sparse Factor Analysis for Blind Source Separation in Reverberant Environments. - Kohei Nagira; Takuma Otsuka; Hiroshi G. Okuno (SSPR/SPR, 2012)

Audio-based guitar tablature transcription using multipitch analysis and playability constraints. - Kazuki Yazawa; Daichi Sakaue; Kohei Nagira; Katsutoshi Itoyama; Hiroshi G. Okuno (ICASSP, 2013)

Noise correlation matrix estimation for improving sound source localization by multirotor UAV. - Koutarou Furukawa; Keita Okutani; Kohei Nagira; Takuma Otsuka; Katsutoshi Itoyama; Kazuhiro Nakadai; Hiroshi G. Okuno (IROS, 2013)

Nonparametric Bayesian sparse factor analysis for frequency domain blind source separation without permutation ambiguity. - Kohei Nagira; Takuma Otsuka; Hiroshi G. Okuno (EURASIP J. Audio Speech Music. Process., 2013)

Discovering Authentic Self: Coaching Agent for Job-Hunting Students. - Ekai Hashimoto; Kohei Nagira; Takeshi Mizumoto; Shun Shiramatsu (HCI (4), 2024)