Motion detecting apparatus

Details Motion detecting apparatus Motion detecting apparatus

1994-08-05

1996-12-17

Boudreau, Leo

Image analysis

Image compression or coding

Interframe coding

382107, 382304, 382294, 348402, 348413, 348416, G06K 936

Patent

active

055862020

ABSTRACT:
A motion detecting apparatus in which when pixels within a search range formed of a predetermined number of pixels and pixels within a reference data block the number of which is smaller than the predetermined number of pixels in the search range, are compared on the basis of the arrangement state thereof, a processing circuit processes sums of difference absolute values of respective pixels within the reference data block and corresponding pixels within the search range formed at every search range, to thereby detect a motion state on the basis of the sums. Respective pixels within the search range are input to the processing circuit at a set time and pixels within the search range are input to the processing circuit at the set time, thereby being sequentially processed with corresponding pixels within the data block.

REFERENCES:
patent: 4691230 (1987-09-01), Kaneko et al.
patent: 4800425 (1989-01-01), Schwerzel et al.
patent: 4937666 (1990-06-01), Yang
patent: 5099325 (1992-03-01), Artieri et al.
patent: 5142361 (1992-08-01), Tayama et al.
patent: 5157732 (1992-10-01), Ishii et al.

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