Initialization for Multichannel Nonnegative Matrix Factorization Using Nonnegative Independent Component Analysis. - Takahiro Ushijima; Taiki Izumi; Takanobu Uramoto; Shingo Uenohara; Ken'ichi Furuya (GCCE, 2019)

Sparse Independent Vector Analysis Based on Mel Filter. - Takahiro Ushijima; Yuuki Tachioka; Shingo Uenohara; Ken'ichi Furuya (GCCE, 2020)