A sparse periodic decomposition and its application to speech representation. - Makoto Nakashizuka; Hiroyuki Okumura; Youji Iiguni (EUSIPCO, 2008)

Single-channel speech separation using a sparse periodic decomposition. - Makoto Nakashizuka; Hiroyuki Okumura; Youji Iiguni (EUSIPCO, 2009)

Supervised Single-Channel Speech Separation via Sparse Decomposition Using Periodic Signal Models. - Makoto Nakashizuka; Hiroyuki Okumura; Youji Iiguni (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Measurement of Differential Mode Impedance and Longitudinal Conversion Loss for In-Factory High-Speed PLC System using Three-Phase Power Distribution System. - Toshiyuki Wakisaka; Tohlu Matsushima; Hiroyuki Okumura; Hisao Koga; Nobuo Kuwabara; Yuki Fukumoto (ISPLC, 2020)

MIPCE: Generating Multiple Patches Counterfactual-Changing Explanations for Time Series Classification. - Hiroyuki Okumura; Tomoharu Nagao (ICANN (6), 2023)

Imbalance difference model for prediction of unintentional radiated emission from 10-wire power cable using for power line communication. - Tohlu Matsushima; Hiroyuki Okumura; Nobuo Kuwabara; Yuki Fukumoto (Wirel. Networks, 2024)