| 摘要 |
PROBLEM TO BE SOLVED: To provide a verification system capable of detecting color characteristic and color correction filter about color characteristics of a light source, the direction and extent of color misregistration between eyes and a color reproduction apparatus, chromaticity difference discrimination capability and the like. SOLUTION: For a number of mosaic color charts of different color difference stages printed in CMYK while arraying (a) on a lateral axis and (b) on a longitudinal axis based on the CIE Lab coloring, pure-color gradation color charts and complementary-color gradation color charts varying like gradations, color matching is performed using printing in Chinese ink with an equal Lab value and different spectrum curves. A color matching position that becomes different in accordance with a conditional color matching phenomenon, is compared with an approximate standard position by a number of persons, a device determination position of a scanner or the like, a chromaticity chart by light sources, color characteristics such as direction or extent of color slurring are judged from the difference of those positions, and a correction filter is detected and verified. COPYRIGHT: (C)2009,JPO&INPIT
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