An apparatus for discriminating a region that contains motion from a region that does not contain motion in a video signal, particularly for use in an inter-frame predictive coding apparatus. The apparatus bridges across different portions of a moving region or of a stationary region to avoid small isolated...http://www.google.de/patents/US4667233?utm_source=gb-gplus-sharePatent US4667233 - Apparatus for discriminating a moving region and a stationary region in a video signal
