PREDICTION OF A MOVEMENT VECTOR OF A CURRENT IMAGE PARTITION POINTING TO A REFERENCE AREA THAT COVERS SEVERAL REFERENCE IMAGE PARTITIONS, ENCODING AND DECODING USING SUCH A PREDICTION

摘要

The invention relates to a method for predicting current image segmentation (P1, P2,...)(PP) relative to reference partition (PR'1, PR'2,...)P r'p) has the same shape as the current partition and belongs to a reference image (IN-1) different from the current image (in), and has been pre cut into a plurality of partitions (R'1, R'2,..., r'n) after encoding and decoding. Determining a motion vector of at least one partition of the current image block, and the at least one partition comprises the following steps:-Selecting the center of the reference zone,-Selecting a reference motion vector associated with a cover reference block containing the center,The center of the reference zone is calculated as the minimum value of the sum of distances from all points in the reference zone.