Disclosed is a method for video object segmentation, which includes the following steps:(a) detecting a changing state between a current frame and a previous frame; (b) categorizing the current frame as a moving region, a still region, a background region and an uncovered background region according...http://www.google.es/patents/US7865015?utm_source=gb-gplus-sharePatente US7865015 - Method for video object segmentation