Regions of a video frame are classified into different classes of regions (e.g., inter encoded blocks, intra encoded blocks, and skip blocks). The classes of regions are then run-length encoded using an encoding sequence that is a function of the content of the video frame. The run-length encoded signals...http://www.google.ca/patents/US5552832?utm_source=gb-gplus-sharePatent US5552832 - Run-length encoding sequence for video signals
