The disclosure is directed to techniques for region-of-interest (ROI) video processing based on low-complexity automatic ROI detection within video frames of video sequences. The low-complexity automatic ROI detection may be based on characteristics of video sensors within video communication devices....http://www.google.fr/patents/US8019170?utm_source=gb-gplus-shareBrevet US8019170 - Video frame motion-based automatic region-of-interest detection
Video frame motion-based automatic region-of-interest detection
