Estimating color appearance of pearlescent bottles using digital camera

查看全文 作　　者：[1,2]傅凌进;[1]徐海松;M. Ronnier [2]Luo;Guihua [2]Cui;Wei [2]Ji

机构地区：[1]State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China;[2]Department of Colour Science, University of Leeds, Leeds LS2 9JT, UK

出　　处：《Chinese Optics Letters》索引2009年第7卷第8期,共4页

基　　金：sponsored by Clariant Co.,Ltd 摘　　要：Pearlescent coatings become highly popular to the modern generation of color rendering materials due to their unique color effect.However,it is quite challenging to evaluate its color appearance by traditional color measurement.A low-cost camera is a highly efficient device for multi-geometry color appearance estimation for pearlescent bottles,which has been achieved through the camera characterization,sample image capturing,and then mathematical transforming from RGB (red,green,and blue) values to color appearance attributes based on the color appearance model of CIECAM02.A tele-spectroradiometer for physical measurement together with visual assessment is applied for comparison with the camera method to evaluate the accuracy of camera predictions and discuss the applicability of CIECAM02.The experimental results indicate that the camera data have strong correlation with the physical measurement and also fit well with visual data except for a slight slope shift existing in lightness due to a divinable psychophysical magnitude variation for spatial-dependent color samples.Hence it is feasible to estimate the color appearance of pearlescent bottles using a digital camera. 关键词：外观颜色数码相机特征估计彩色 CIECAM02 饮料瓶颜色测量珍珠

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Estimating color appearance of pearlescent bottles using digital camera

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