Color Appearance Determined by Recognition of Space |
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Authors: | Pontawee Pungrassamee Mitsuo Ikeda Pichayada Katemake Aran Hansuebsai |
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Institution: | (1) Department of Imaging and Printing Technology, Chulalongkorn University, 10330 Bangkok, Thailand;(2) Department of Phtonics, Ritsumeikan University, Nojihigashi, Kusatsu, 525-8577 Shiga, Japan |
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Abstract: | The color appearance was measured for a test patch which was placed in a test room illuminated by daylight lamps and was looked at from a subject room illuminated by one of four colored illuminations, red, yellow, green and blue, through windows of various sizes. When the window was small so that only the test patch was seen within the window the color of the test patch appeared almost opponent to the illumination color, but as soon as something was seen within the window of a larger size the color returned to the original color of the test patch. To recognize the test room as a space was essential to perceive the real color of the test patch. The results were explained by the concept of the recognized visual space of illumination. |
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Keywords: | color appearance color mode color constancy chromatic adaptation apparent lightness space recognition recognized visual space of illumination 3D space |
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