Motion dependent video signal processing

Details Motion dependent video signal processing Motion dependent video signal processing

1990-04-20

1991-04-02

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, H04N 701

Patent

active

050050788

ABSTRACT:
In, for example, a motion compensated video standards converter blocks in a first field or frame of a video signal are each compared in a gate array 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, a correlation surface is generated for respective blocks in the first field or frame, the correlation surface representing the difference between the content of the block in the first field or frame and the content of each block in the following field or frame with which it has been compared, and the motion vectors are derived in dependence on a minimum in the correlation surface.

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
IEEE Transactions on Communications, vol. Com-35, No. 10, Oct. 1987, pp. 1069-1082, H. Yamaguchi, T. Sugi and K. Kinuhata, "Movement-Compensated Frame-Frequency Conversion of Television Signals".

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