Patent ID: 6043844
Filing Date: 2000-03-28
Classification: G06T,H04N

Abstract:
A video coder for compressing and transmitting variable amounts of video data over a channel having a fixed bandwidth, the video data comprising a plurality of frames, each of the plurality of frames comprising a plurality of blocks, the video coder comprising:a processor, anda storage medium, coupled to the processor, containing code directing operation of the processor,the processor, operating pursuant to the code contained in the storage medium, populating a trellis having a plurality of nodes, each of the plurality of nodes having a quantization parameter and a bit number associated therewith, the quantization parameter being related to motion estimation information and stochastically modeled energy data,the processor further selecting a minimum path through the trellis and a quantization parameter associated with the selected minimum path for each of the plurality of blocks.