Fundamentals of speech recognition
Fundamentals of speech recognition
Continuous automatic speech recognition by lipreading
Continuous automatic speech recognition by lipreading
Digital Image Warping
Image Analysis and Mathematical Morphology
Image Analysis and Mathematical Morphology
IEEE Journal on Selected Areas in Communications
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We utilize speech information to improve the quality of audio-visual communications such as video telephony and videoconferencing. We show that the marriage of speech analysis and image processing can solve problems related to lip synchronization. We present a technique called speech-assisted frame-rate conversion, and apply it to coding of talking head video. Demonstration sequences are presented. Extensions and other applications are outlined.