Patent ID: 7433519

Claim:
A computer information product, comprising: a computer readable medium; data stored on the computer readable medium that, when interpreted by a computer, defines a bitstream for compressed image data, comprising: for each image, a picture header followed by image scan data, wherein the image scan data includes rasterscan data corresponding to a plurality of macroblock rasterscans, wherein the rasterscan data for each macroblock rasterscan includes: macroblock data for a plurality of macroblocks for a band of lines in the image; and padding, wherein the macroblock data is followed by the padding, whereby rasterscan data for each macroblock rasterscan terminates on a data boundary; and wherein the picture header references an image scan index that indicates a number of macroblock rasterscans in the image scan data and a number of lines per macroblock rasterscan, followed by entries of the index, and wherein each entry in the index includes an offset of the macroblock rasterscan in image scan.