Motion estimator

Details Motion estimator Motion estimator

H - Electricity

04

N

350/33

H04N 7/26 (2006.01) G06T 7/20 (2006.01) G06T 9/00 (2006.01)

Patent

CA 1318970

ABSTRACT MOTION ESTIMATOR A motion vector suitable for motion-compensated prediction in an inter-frame differential video coder is derived by comparison of each block of a current frame with the corresponding region of a previous frame and with shifted regions of the previous frame. Rather than dealing with each block in turn, the apparatus carries out all comparisons involving a line n of the video signal before commencing comparisons involving n+p (where p is the number of lines encompassed by a block).

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