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7 November 2018 A random dot stereoacuity test for different colors using 3D displays
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Abstract
Stereoacuity, or named stereoscopic acuity, is the minimum disparity that can be perceived by someone with two eyes and normal brain functions. It is extremely relevant to human stereopsis and considerable individual variability. Due to the contribution of color information to stereopsis is controversial, this study is focused on designing and conducting a stereoacuity test for different colors. In particular, the effect of color variations on stereoacuity was evaluated by using 3D displays to present color random-dot stereogram (RDS) stimuli. Seventeen color points sampled from the CIELAB color space were selected for the test. All sample color points are averagely distributed in red-green and yellow-blue directions at isoluminance. The stimuli had the same dot density of 50% and black background, with different colors and disparities. Then the minimum disparity was obtained as the stereoacuity of subject. The results of experiment show that the stereoacuities are not significantly different in red-green direction and blue-yellow directions. These results support the view that color does not contribute to the stereoacuity.
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Kai Chen, Zaiqing Chen, Junsheng Shi, Lijun Yun, and Xiaoqiao Huang "A random dot stereoacuity test for different colors using 3D displays", Proc. SPIE 10818, Holography, Diffractive Optics, and Applications VIII, 1081828 (7 November 2018); https://doi.org/10.1117/12.2502265
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