Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1991-01-15
1992-08-18
Moore, David K.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 40, H04N 964, H04N 977
Patent
active
051404109
ABSTRACT:
A motion adaptive type chrominance mixing circuit applied to the Y/C separator in a color video signal processing system is disclosed for outputting the mixed chrominance signal according to the motion coefficient of a picture. A chrominance mixing circuit includes a chrominance mixing portion, a band pass filter, and a multiplexer. The chrominance mixing portion includes a first adder, a second adder and a multiplier. The band pass filter receives the frame combed signal, removes the error component included in the frame combed chrominance signal and outputs the result to the multiplexer. The multiplexer receives the frame combed signal passing through the band pass filter and the frame combed signal by-passing the band pass filter, selects one of them in accordance with the motion coefficient and supplied to the chrominance mixing portion.
REFERENCES:
patent: 4703341 (1987-10-01), Willis
patent: 4853765 (1989-08-01), Katsumata et al.
patent: 4870482 (1989-09-01), Yasuki et al.
patent: 4982271 (1991-01-01), Sugiyama et al.
patent: 4994900 (1991-02-01), Ebara et al.
Bushnell Robert E.
Greening Wendy R.
Moore David K.
Samsung Electronics Co,. Ltd.
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