Television – Image signal processing circuitry specific to television – Chrominance-luminance signal separation
Patent
1993-10-20
1996-12-10
Peng, John K.
Television
Image signal processing circuitry specific to television
Chrominance-luminance signal separation
348665, 348663, H04N 978
Patent
active
055835791
ABSTRACT:
A two-dimensional adaptation type luminance/chrominance signal separation apparatus for separating the luminance signal from the chrominance signal in accordance with correlation in a vertical direction includes a coefficient generator for generating a selection signal and mixing coefficients according to correlation of composite video signals, a chrominance signal processor for selectively outputting the chrominance signals filtered from the composite video signals according to the coefficients generated from the coefficient generator whereas the chrominance signals are generated by mixing respective chrominance signal filtered through a predetermined region, and a luminance signal generator for detecting a chrominance signal generated from the chrominance signal processor and a luminance signal generated from the composite video signal.
REFERENCES:
patent: 4050084 (1977-09-01), Rossi
patent: 4707732 (1987-11-01), Matono et al.
patent: 5093715 (1992-03-01), Tokuhara et al.
patent: 5134467 (1992-07-01), Kim
patent: 5146318 (1992-09-01), Ishizuka et al.
patent: 5194943 (1993-03-01), Sim et al.
Burgess Glenton B.
Peng John K.
Samsung Electronics Co,. Ltd.
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