Color Component Checksum Computation in Video Coding

摘要

Checksum computation for video coding is provided that breaks the dependency between the color components of a picture in the prior art. More specifically, rather than computing a single checksum for a picture as in the prior art, a separate checksum is computed for each color component. Computing a separate checksum for each color component enables parallel computation of the component checksums. Methods are provided for computing three separate checksums after a picture is decoded. Methods are also provided for computing three separate checksums on a largest coding unit basis, thus allowing the checksums for a picture to be computed as the picture is being decoded.

主权项

1. A method comprising:
decoding an encoded picture; and computing a checksum for each of a Y color component, a Cb color component, and a Cr color component of the decoded picture.