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유재환(J . H . Yoo),김은진(E . J . Kim),민경철(K . C . Min),최민호(M . H . Choi) 한국화상학회 1995 한국화상학회지 Vol.1 No.1
Color reproduction capability is represented by Q factor(quality value), and that of color scanner depends on its spectral response. When this spectral response of color scanner has linear transform relations to reception of human visual system, it has high Q factor. In this paper, color correction filter is designed using closest color mixture curve in order to improve color quality value in color scanner. And color reproduction capability of the scanner which has above filiter is tested theoretically by means of spectrum analysis. We have used McBETH color checker for standard color samples in spectrum analysis and calculated color deviation (△E_Lab) in Lab color space. The results are RED=0.95, GREEN=0.99, BLUE=0.96 in color quality value and average color deviation(△E_Lab) for 135 Munsell color sample is about 2.3.