Methods and apparatus for sub-pixel motion estimation

Details Methods and apparatus for sub-pixel motion estimation Methods and apparatus for sub-pixel motion estimation

H - Electricity

04

N

H04N 7/26 (2006.01) H04N 5/14 (2006.01)

Patent

CA 2449048

The present invention provides methods and apparatus for sub-pel motion estimation of a block of pixels. Search points which are redundant between the various full pel and sub-pel searches during the motion estimation process of a block of pixels are disregarded. Matching costs for the block or sub-block at each such redundant search point are not calculated and therefore are not stored.

L'invention concerne des procédés et un dispositif permettant d'estimer le mouvement de sous-pixel d'un bloc de pixels. Des points de recherche qui sont redondants entre les diverses recherches de sous-pixels et de pixels entiers au cours du processus d'estimation du mouvement d'un bloc de pixels ne sont pas pris en compte. Les coûts de concordance pour le bloc ou le sous-bloc à chaque point de recherche redondant ne sont pas calculés et, de ce fait, ne sont pas stockés.

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