Motion dependent video signal processing

Details Motion dependent video signal processing Motion dependent video signal processing

1990-04-20

1991-06-25

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, H04N 701

Patent

active

050272039

ABSTRACT:
In, for example, a motion compensated video standards converter wherein blocks in a first field or frame of a video signal are each compared with a plurality of blocks in the following field or frame of the video signal for deriving motion vectors representing the motion of the content of respective blocks between the first field or frame and the following field or frame, further motion vectors are selected for assignment to those of the blocks for which less than a predetermined plurality of good motion vectors are derived as a result of the comparison, by ranking all the good, non-stationary motion vectors derived for the field or frame in order of frequency of occurrence, and selecting those motion vectors which occur most frequently, unless they fall within a predetermined window of pixel motion of a motion vector already selected.

REFERENCES:
patent: 4862259 (1989-08-01), Gillard
patent: 4873573 (1989-10-01), Thomas
patent: 4890160 (1989-12-01), Thomas
patent: 4942466 (1990-07-01), Sandbank

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