Motion-adaptive device for separating luminance signal and color

Details Motion-adaptive device for separating luminance signal and color Motion-adaptive device for separating luminance signal and color

1990-03-06

1991-01-08

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 21R, 358105, H04N 978

Patent

active

049840681

ABSTRACT:
A motion detector detects motion of pictures represented by a composite color television signal and generates a motion signal representing the detected motion of pictures. A spatiotemporal filter extracts a color signal from the composite color television signal. A subtractor subtracts the color signal from the composite color television signal and thereby generates a luminance signal. The spatiotemporal filter includes a spatial filter. A pass band of the spatial filler is varied in accordance with the motion signal.

REFERENCES:
patent: 4736252 (1988-04-01), Nakagawa et al.
"Motion Detector Using NTSC Two-Frame Difference and Spatio-Temporal Accumulation", 1987 National Convention Record of the Institute of Television Engineers of Japan, Koji Kudo et al.

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