Motion-compensated oversampled filterbanks for robust video coding

During the past few years, much effort has been devoted for efficient coding of video. However, this high coding efficiency results in an increased sensitivity to transmission errors. This is the motivation for developing techniques allowing us altogether to transmit video sequences efficiently and to be robust to the transmission errors. This paper proposes a joint source-channel coding scheme using motion-compensated oversampled filterbanks (OFB). Previous work for robust transmission using OFB have concentrated on still images. Here, OFB are combined with motion compensation techniques. The redundancy introduced by the overcomplete representation is employed for error correction of the motion compensated frames. Experiments have shown that performance is acceptable even when the compressed stream is transmitted through a binary symmetric channel with crossover probability of 10/sup -2/.