Motion detection apparatus

Details Motion detection apparatus Motion detection apparatus

2011-04-12

2011-04-12

Mariam, Daniel G (Department: 2624)

Image analysis

Applications

Motion or velocity measuring

C704S008000, C382S106000, C382S240000, C348S669000, C348S701000, C345S204000

Reexamination Certificate

active

07925054

ABSTRACT:
A motion detection apparatus which extracts a 1-frame differential signal from a video signal, separates the 1-frame differential signal into a vertical low frequency signal having a frequency which is lower than a predetermined frequency with respect to the vertical direction of a frame of the video signal and a vertical high frequency signal having a frequency which is equal to or higher than the predetermined frequency, separates, from the vertical low frequency signal and the vertical high frequency signal, signals having different frequency bands with respect to the horizontal direction of a frame of the video signal, respectively, and combines these separated signals.

REFERENCES:
patent: 5386235 (1995-01-01), Ko
patent: 5940141 (1999-08-01), Faroudja et al.
patent: 5973749 (1999-10-01), Ishii et al.
patent: 6008866 (1999-12-01), Komatsu
patent: 6774954 (2004-08-01), Lee
patent: 3-220889 (1991-09-01), None
patent: 10-108039 (1998-04-01), None
esp@cenet patent abstract for Japanese Publication No. 3220889, Publication date Sep. 30, 1991 (1 page).
esp@cenet patent abstract for Japanese Publication No. 10108039, Publication date Apr. 24, 1998 (1 page).

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