Abstract

Chromostereopsis is a type of visual perception where a specific color is perceived closer to or farther from the observer than other colors in the plane pattern. The mechanism is considered to be binocular stereopsis by the chromatic aberration of the eyeball optical subsystem, but there are large individual differences in natural viewing conditions. For example, in the case of a red-blue pattern with black background, about 70% of observers perceive the red pattern to be closer while 20% perceive the blue pattern to be closer. In the present research, the binocular disparity of the chromostereopsis was estimated both experimentally and numerically and the reason for the individual differences studied. First, the disparity was measured using a constant method, in which a stereo pair of red-blue stimulus patterns (random dots) was presented on a black background. The distance between the red and blue patterns for the right eye image was varied to generate a binocular disparity. It was found that the range...

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