| 摘要 |
When color matching using CIECAM97s is carried out, it is required that the characteristics of lighting conditions be detected simply and accurately. In a conventional method of detecting lighting conditions, accurate characteristic values cannot be detected if the user selects lighting conditions of a variety of types sensorially. If detection is performed directly by a photometric sensor, on the other hand, apparatus having a complicated structure is required. According to the invention, therefore, the rated-product number of a lighting lamp is input, a lighting characteristic value is calculated based upon the rated-product number, and color matching processing is executed using a color appearance model that is based upon the lighting characteristic value. As a result, lighting characteristics can be detected simply and accurately and it is possible to execute color matching processing using a color appearance model that takes lighting into account.
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