Motion vector calculation method

Details Motion vector calculation method Motion vector calculation method

H - Electricity

04

N

H04N 7/32 (2006.01) G06T 9/00 (2006.01) H03M 7/36 (2006.01) H04N 7/26 (2006.01) H04N 7/36 (2006.01) H04N 7/46 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2451568

When a block (MB22) referred to by a motion vector has a plurality of motion vectors in a direct mode, a scaling is performed on a value obtained by selecting an average or one of the plurality of motion vectors to thereby determine two motion vectors (MV23) and (MV24) used for the picture-to-picture prediction of a picture (P23) to be encoded.

Lorsqu'un bloc (MB22) ayant pour référence un vecteur de mouvement possède plusieurs vecteurs de mouvement dans un mode direct, cette invention effectue une mise à l'échelle d'une valeur obtenue par sélection d'une moyenne ou de l'un des vecteurs de mouvement, pour déterminer deux vecteurs de mouvement (MV23 et MV24) utilisés pour la prédiction image par image d'une image (P23) à coder.

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