Movement detection circuit for television signals

Details Movement detection circuit for television signals Movement detection circuit for television signals

1986-07-02

1987-08-18

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 37, H04N 978

Patent

active

046880844

ABSTRACT:
Disclosed is a picture movement detection circuit for use for processing a color television signal, that is, a circuit for detecting temporal variations in chrominance signal level of a color televison picture. A signal corresponding to the magnitude of an absolute value, an amplitude, or the like, of a difference or addition signal between frames or field of a modulated chrominance signal of a color television signal is obtained, and a low frequency component is extracted out of the thus obtained signal so that the extracted low frequency component is used as movement information of the picture.

REFERENCES:
patent: 4242704 (1980-12-01), Ito
patent: 4246610 (1981-01-01), Takahashi
patent: 4389665 (1983-06-01), Nagao
patent: 4498100 (1985-02-01), Bunting
patent: 4571620 (1986-02-01), Anderson

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