Video movement detection

Details Video movement detection Video movement detection

1979-02-27

1980-12-16

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 718

Patent

active

042401097

ABSTRACT:
A movement detection method and system capable of detecting picture point movement in portions of a picture in the presence of noise. Each picture point within the frame in turn is examined with a corresponding picture point from the previous frame to detect when movement has occurred for that particular picture point. To distinguish between noise and movement, a number of selected picture points adjacent the picture point are also examined to see if movement is occurring. By examining a number of picture joints noise tends to be attenuated while movement is not, so that true movement can be detected.

REFERENCES:
patent: 3988533 (1976-10-01), Mick et al.

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