Patent ID: 6141448
Filing Date: 2000-10-31
Classification: H04N

Abstract:
A method for transferring video data, the method comprising the steps:receiving video data for a picture;subdividing the video data into blocks;transforming the blocks of video data into blocks of residual data;quantizing the blocks of residual data;comparing the video data for the picture with stored video data for a previous picture in order to generate motion vector data;organizing the blocks of residual data into a plurality of macroblocks (MBs);organizing the plurality of MBs into groups of blocks (GOBs), wherein each GOB corresponds to a slice of the picture and the motion vector data in each GOB is independent of any other GOBs;constructing an erasure slice comprised of another GOB, wherein the GOB of the erasure slice is further comprised of another plurality of MBs, wherein each one of the plurality of MBs of the erasure slice corresponds to one of the plurality of MBs in each of a plurality of GOB of the picture and wherein the erasure slice is constructed with data in at least some of the plurality of MBs combined from corresponding MBs in the GOBs of the picture;encoding each one of the GOBs of the picture data and the erasure slice into a predetermined standard compliant packet; andtransmitting each standard compliant packet.