Motion detecting circuit utilizing inter-frame difference...

Details Motion detecting circuit utilizing inter-frame difference... Motion detecting circuit utilizing inter-frame difference...

H - Electricity

04

N

350/81

H04N 5/21 (2006.01) G06T 7/20 (2006.01) H04N 5/14 (2006.01) H04N 7/36 (2006.01)

Patent

CA 1222049

Abstract of the Disclosure A motion detecting circuit suitable for detecting object-movement on an interlaced TV signal includes at least three field memories, subtractors, absolute circuits and summing up circuit. The motion detector evaluates object-movement by accumulating frame difference signals between adjacent fields.

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