Visual discomfort caused by color asymmetry in 3D displays

Zaiqing Chen; Xiaoqiao Huang; Yonghan Tai; Junsheng Shi; Lijun Yun

doi:10.1117/12.2247746

31 October 2016 Visual discomfort caused by color asymmetry in 3D displays

Zaiqing Chen, Xiaoqiao Huang, Yonghan Tai, Junsheng Shi, Lijun Yun

Proceedings Volume 10022, Holography, Diffractive Optics, and Applications VII; 100222T (2016) https://doi.org/10.1117/12.2247746
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Color asymmetry is a common phenomenon in 3D displays, which can cause serious visual discomfort. To ensure safe and comfortable stereo viewing, the color difference between the left and right eyes should not exceed a threshold value, named comfortable color difference limit (CCDL). In this paper, we have experimentally measured the CCDL for five sample color points which were selected from the 1976 CIE u'v' chromaticity diagram. By human observers viewing brief presentations of color asymmetry image pairs, a psychophysical experiment is conducted. As the color asymmetry image pairs, left and right circular patches are horizontally adjusted on image pixels with five levels of disparities: 0, ±60, ±120 arc minutes, along six color directions. The experimental results showed that CCDLs for each sample point varied with the level of disparity and color direction. The minimum of CCDL is 0.019Δ_u' _v' , and the maximum of CCDL is 0.133 Δ_u' _v'. The database collected in this study might help 3D system design and 3D content creation.

Citation Download Citation

Zaiqing Chen, Xiaoqiao Huang, Yonghan Tai, Junsheng Shi, and Lijun Yun "Visual discomfort caused by color asymmetry in 3D displays", Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100222T (31 October 2016); https://doi.org/10.1117/12.2247746

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