Method and device to estimate motion in a sequence of moving...

Details Method and device to estimate motion in a sequence of moving... Method and device to estimate motion in a sequence of moving...

G - Physics

06

T

350/33

G06T 7/20 (2006.01) H04N 7/01 (2006.01) H04N 7/26 (2006.01) H04N 7/36 (2006.01)

Patent

CA 1329649

ABSTRACT OF THE DISCLOSURE The method consists in estimating motion by performing a gradient algorithm which minimalizes the mean square deviation of local luminance variations of the present pel of the picture with the pel that is homologous with it in the prior picture, in initializing the execution of the algorithm by displacement values estimated along several directions within the close causal neighbourhood of the present pel and in propagating each estimate in the scanning direction of the picture lines. 57

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