Kenyon & Kenyon LLP
Video coding system using sub-channels and constrained prediction references to protect against data transmission errors
A coding technique is disclosed in which frames of a video sequence are assigned to one of a plurality of sub-channels to be transmitted to a decoder. The frames are coded according to predictive coding techniques such that ordinarily prediction references of the frames in each sub-channel only reach the reference frames that occur within the same sub-channel. Thus, if transmission errors arise with respect to one sub-channel, decoding may occur for another sub-channel until the transmission error is detected and corrected.
Apple Inc.
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Xiaosong Hsi-Jung Dazhong
Zhou Wu Zhang