| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal processing circuit capable of further improving the image quality. SOLUTION: Pixel data of a plurality of pixels received from a port P1 includes one R, G or B color information item. A first color separation circuit 26 applies color separation processing to the pixel data according to a first coefficient and a second color separation circuit 28 applies color separation processing to the pixel data according to a second coefficient. The first and second color separation circuits 26, 28 outputs first and second color separation pixel data, each having all the R, G, B color information items, respectively. A mixer circuit 36 mixes the first color separation pixel data with the second color separation pixel data, respectively, corresponding to the same pixels for each color information item. Coefficients Kr, Kg, and Kb, corresponding to R, G, and B, respectively, are used for the mixing. Image data with reduced color noise are obtained, without losing the resolution of the colors. COPYRIGHT: (C)2005,JPO&NCIPI
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