A method for encoding a syntax element contained in a precoded video signal into a coded bit stream, the precoded video signal representing at least one video frame, the syntax element being associated with a predetermined portion of the video frame and being indicative of as to whether the predetermined...http://www.google.ca/patents/US7286710?utm_source=gb-gplus-sharePatent US7286710 - Coding of a syntax element contained in a pre-coded video signal
