Motion adaptive frequency folding circuit

Details Motion adaptive frequency folding circuit Motion adaptive frequency folding circuit

1992-06-24

1993-07-13

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, 358 12, 358335, H04N 704, H04N 718, H04N 1106

Patent

active

052278808

ABSTRACT:
The present invention relates to a motion adaptive frequency folding circuit, and more particularly to a motion adaptive frequency folding circuit which can prevent the degradation of picture quality caused by artifact in reproduction by recording whole bands on a recording medium by way of providing different folding to the signal of limited frequency bands through the motion signal showing motion images.

REFERENCES:
patent: 4698671 (1987-10-01), Chen et al.
patent: 4831463 (1989-05-01), Faroudja
patent: 5083203 (1992-01-01), Ko et al.
patent: 5097330 (1992-03-01), Guichard et al.
patent: 5113262 (1992-05-01), Strolle et al.
patent: 5161018 (1992-11-01), Matsunaga

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