Using HPSG to represent multi-modal grammar in multi-modal dialogue. - Crusoe Mao; Tony Tuo; Danjun Liu (INTERSPEECH, 2000)

A coupled HMM for audio-visual speech recognition. - Ara V. Nefian; Luhong Liang; Xiaobo Pi; Xiaoxiang Liu; Crusoe Mao; Kevin P. Murphy (ICASSP, 2002)