Speech recognition in a noisy environment using a noise reduction neural network and a codebook mapping technique. - Kazumi Ohkura; Masahide Sugiyama (ICASSP, 1991)

Continuously spoken sentence recognition by HMM-LR. - Kenji Kita; Tsuyoshi Morimoto; Kazumi Ohkura; Shigeki Sagayama (ICSLP, 1992)

Enhancement of ATR's spoken language translation system: SL-TRANS2. - Tsuyoshi Morimoto; Toshiyuki Takezawa; Kazumi Ohkura; Masaaki Nagata; Fumihiro Yato; Shigeki Sagayama; Akira Kurematsu (ICSLP, 1992)

Speaker adaptation based on transfer vector field smoothing with continuous mixture density HMMs. - Kazumi Ohkura; Masahide Sugiyama; Shigeki Sagayama (ICSLP, 1992)

Noise-robust HMMs based on minimum error classification. - Kazumi Ohkura; David Rainton; Masahide Sugiyama (ICASSP (2), 1993)

Spoken Language Translation System. - Gen-ichiro Kikui; Mark Seligman; Toshiyuki Takezawa; Masami Suzuki; Kenji Kita; Tsuyoshi Morimoto; Masaaki Nagata; Toshihisa Tashiro; Herbert S. Tropf; Shigeki Sagayama; Jun-ichi Takami; Kazumi Ohkura; et al. (IJCAI, 1993)

ATREUS: a speech recognition front-end for a speech translation system. - Shigeki Sagayama; Jun-ichi Takami; Akito Nagai; Harald Singer; Kouichi Yamaguchi; Kazumi Ohkura; Kenji Kita; Akira Kurematsu (EUROSPEECH, 1993)

Speaker adaptation based on transfer vectors of multiple reference speakers. - Kazumi Ohkura; Hiroki Ohnishi; Masayuki Iida (ICSLP, 1994)

VFS speaker adaptation with transfer vectors selected by reliability according to the amount of training data. - Kazumi Ohkura; Masayuki Iida (Syst. Comput. Jpn., 1998)