Field comb for luminance separation of NTSC signals

Details Field comb for luminance separation of NTSC signals Field comb for luminance separation of NTSC signals

1985-05-22

1987-01-13

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 36, H04N 964

Patent

active

046368418

ABSTRACT:
A field comb filter for separating luminance signal from NTSC composite video additively combines signals separated by 263 horizontal lines. Vertical detail is restored and motion compensation provided by subtractively combining signal separated by 262 horizontal lines and adding the difference to the separated luminance signal.

REFERENCES:
patent: 4348689 (1982-09-01), Achiha
patent: 4498099 (1985-02-01), Pritchard
patent: 4550340 (1985-10-01), Nicholson
patent: 4553158 (1985-11-01), Acampora
patent: 4555723 (1985-11-01), Pritchard
patent: 4597007 (1986-06-01), Reitmeier
D. H. Pritchard, "A CCD Comb Filter for Color TV Receiver Picture Enhancement", RCA Review, vol. 41, Mar. 1980, pp. 3-28.

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