Multiple-regression hidden Markov model. - Katsuhisa Fujinaga; Mitsuru Nakai; Hiroshi Shimodaira; Shigeki Sagayama (ICASSP, 2001)

Mis-recognized utterance detection using multiple language models generated by clustered sentences. - Katsuhisa Fujinaga; Hiroaki Kokubo; Hirofumi Yamamoto; Gen-ichiro Kikui; Hiroshi Shimodaira (INTERSPEECH, 2003)