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Recording medium recording a color interpolation processing program for single-plate solid-state imaging device and the color interpolation method of the single-plate solid-state imaging device
Recording medium recording a color interpolation processing program for single-plate solid-state imaging device and the color interpolation method of the single-plate solid-state imaging device
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机译:记录用于单板固态成像装置的颜色插值处理程序的记录介质和该单板固态成像装置的颜色插值方法
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摘要
PROBLEM TO BE SOLVED: To obtain a picture especially excellent in resolution at edges by properly interpolating colors of a single CCD solid-state image pickup element. ;SOLUTION: A pixel range a2 consisting of 3×3 pixels including fundamental colors cyan C, magnet M, yellow Y and green G is selected around a target pixel (a pixel of cyan C22) and also pixel range a3 consisting of 5×5 pixels around the target pixel is selected. Then the color component corresponding to the target pixel is interpolated by using other color components M12, M32, Y21, Y23, G11, G13, G31, G33 than the color component C22 of the target pixel in existence in the 3×3 pixel range. Concretely, a change in the color of the color component C22 corresponding to the target pixel is checked within the 5×5 pixel range. For example, in the case of obtaining the component M22 (the magenta component of the target pixel) from the components M12, M23, a weight coefficient is calculated on the basis of a difference between the cyan C22 and the cyan C02 and between the cyan C22 and the cyan C42 and the weighting buy the weight coefficients is applied to the components M12, M32 respectively to obtain the component M22.;COPYRIGHT: (C)2001,JPO
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