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6 June 2002 Floating phenomenon and mode of color appearance
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Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002)
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States
We found an interesting phenomenon concerning the motion perception and the mode of color appearance. We suppose you are holding a stiff sheet of picture and move it laterally to and fro in front of the eye. Though the picture and all items in it move physically altogether with your hand, your perception is not always so. But when the picture that is a figure appears light-source color mode and a background of object color, a figure appears to slip on a background. We call this a 'floating phenomenon.' We predicted the occurrence of floating phenomenon depends on whether the color is perceived to belong to an object or not. To examine the relation between the floating phenomenon and the mode of color appearance, we measured the luminance threshold of floating phenomenon and the transition luminance between two color modes by constant stimulus method to use a mondrian. Our results show the floating never occurred when the target appeared as object color mode. The floating phenomenon may be caused by the separation of the light-source color from an object or week-belonging.
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Hironobu Aoki, Hiroyuki Shinoda, and Mitsuo Ikeda "Floating phenomenon and mode of color appearance", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002);

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