顔画像ビデオシステムにおけるオーディオ・リップリーディング
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概要
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Multimedia has a large demand for both bandwidth and hardware resources (video cameras,video compression boards etc.). These present an obstacle to realisation of a usable video-conferencing system on the many 10Mb/s ethernet LANs existing today. MPEG-4 aims to provide very low bandwidth facial video at 9-40Kb/s rates, alleviating the bandwidth shortage, bet not the demand on hardwear. An alternative to compression in hardwear for face-to-face video is their reconstruction at the receiver by analysis of the received voice signal. A prerequisite for this task is continuous, fast (real-time) lip movement recognition from speech input alone, Audio Lip-reading.
- 1994-09-26
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