A method of transcoding from H.263 coded video frames to H.261 coded video frames, the method comprising for each INTER coded macro block (MB) of each frame, determining whether a component of the motion vector (MV) of the MB has a half pixel value, if yes, carrying out a MV search using the current...http://www.google.fr/patents/US7324597?utm_source=gb-gplus-shareBrevet US7324597 - Transcoding of video signals
