Movement detection circuit of a video signal used in a televisio

Details Movement detection circuit of a video signal used in a televisio Movement detection circuit of a video signal used in a televisio

1987-10-06

1988-12-27

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, 358 37, 358166, 358 36, H04N 718, H04N 521

Patent

active

047944544

ABSTRACT:
A movement detection circuit for detecting movement information of a luminance signal and movement information of a chrominance signal of a television signal comprises a first movement detection circuit for detecting the movement information of the luminance signal and a second movement detection circuit for detecting the movement information of the chrominance signal. The first movement detection circuit detects the movement information of the luminance signal based on two signals spaced by one frame period, and the second movement detection circuit detects the movement information of the chrominance signal based on two signals spaced by two frames periods.

REFERENCES:
patent: 4090221 (1978-05-01), Connor
patent: 4288815 (1981-09-01), Miles
patent: 4389665 (1983-06-01), Nagao et al.
patent: 4626891 (1986-12-01), Achiha
patent: 4651211 (1987-03-01), Weckenbrock et al.
patent: 4658285 (1987-04-01), Lewis et al.
patent: 4688084 (1987-08-01), Achida

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