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Abstract

A computer-implemented method for video signal encoding with motion estimation, the video signal comprising frames divided into prediction units, the method comprising the steps of: determining (401) the current prediction unit (PU_X) to be encoded, creating (407) a list (L_MVXpred) comprising motion vector predictions (MV_PUY) from neighboring units (PU_Y), selecting (411) from the list (L_MVXpred) the motion vector prediction which is the best according to a predetermined cost function for encoding the current prediction unit (PU_X), using (412) the selected prediction number to encode the current prediction unit (PU_X). The method further comprises the steps of: for each neighboring unit (PU_Y), checking (403) whether the neighboring unit (PU_Y) has been encoded in the MERGE and not SKIP mode and if so, determining (404) the reconstruction motion vector (MV_PUYrec) for that unit (PU_Y) as a motion vector which minimizes difference between reconstructed prediction block (PU_Y) and a block in a reference frame pointed by this motion vector, and assigning (405) the reconstruction motion vector (MV_PUYrec) as a motion vector (MV_PUY) to that unit (PU_Y) to be used in creating (407) the list (L_MVXpred).

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First Claim