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光栅式自由立体显示器的颜色特性化实验

Color Characterization of Barrier-Type Autostereoscopic Displays

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摘要

基于双目视差的光栅式自由立体显示器技术已逐步成熟, 为了定量研究颜色对自由立体显示器视觉舒适度的影响, 需要对显示器进行颜色特性化。实验研究了一台彩色有源矩阵薄膜液晶光栅式自由立体显示器的通道独立性、色品恒定性和颜色特性化精度。结果显示:该显示器在三维(3D)模式下的通道独立性较差, 而在二维(2D)模式下的通道独立性非常好; 无论3D还是2D模式, 该显示器的色品恒定性均非常好; 该显示器3D和2D模式下增益-偏置-伽玛(GOG)模型的特性化精度分别为3.64和0.99ΔE*ab(CIELAB 色差), 查找表(LUT)模型的精度分别为2.36和0.65ΔE*ab。显示器在3D模式下受到串扰的影响, 因此其颜色特性化精度低于2D模式, 其中LUT 方法的特性化精度可基本达到颜色视觉实验的要求, 但要实现立体显示下的颜色精确预测或控制, 还需要寻找其他更高精度的特性化方法。

Abstract

The technology for barrier-type autostereoscopic displays that uses binocular disparity to display three-dimensional experiences has been maturing gradually. To quantitatively study the effect of color on visual comfort, the measurements of channel independence, constant chromaticity, and color characterization accuracy are needed. This paper reports these measurements recorded from a barrier-type autostereoscopic display that uses a color active matrix liquid crystal with thin film transistor. The results show that the channel independence of the stereoscopic display is poor in the three-dimensional (3D) mode, but it is very good in the two-dimensional (2D) mode. The chromaticity of the display is consistent in both 3D and 2D modes. In both modes, the characterization accuracies of the gain-offset-gamma (GOG) model are 3.64 and 0.99 times the CIELAB color difference ΔE*ab, respectively, and the accuracies of the look-up table (LUT) model are 2.36 and 0.65 times the CIELAB color difference ΔE*ab, respectively. The display in the 3D mode is affected by crosstalk. Therefore, the color characterization in the 3D mode is less accurate than that in the 2D mode. The characterization accuracy of the LUT method is sufficient for the requirements of the most color-vision experiments. However, to achieve accurate color prediction and control, other more accurate color characterization methods are needed to be developed.

Newport宣传-MKS新实验室计划
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中图分类号:O432.3

DOI:10.3788/aos201939.0533002

所属栏目:视觉,颜色与视觉光学

基金项目:国家自然科学基金(61865015,61875171,61741516)、云南省应用基础研究计划重点项目(2018FA033)

收稿日期:2018-11-28

修改稿日期:2018-12-30

网络出版日期:2019-01-21

作者单位    点击查看

陈载清:云南师范大学信息学院, 云南 昆明 650500云南省光电信息技术重点实验室, 云南 昆明 650500
陈凯:云南师范大学信息学院, 云南 昆明 650500云南省光电信息技术重点实验室, 云南 昆明 650500
黄小乔:云南省光电信息技术重点实验室, 云南 昆明 650500
邰永航:云南省光电信息技术重点实验室, 云南 昆明 650500
石俊生:云南省光电信息技术重点实验室, 云南 昆明 650500
云利军:云南师范大学信息学院, 云南 昆明 650500云南省光电信息技术重点实验室, 云南 昆明 650500

联系人作者:石俊生(shijs@ynnu.edu.cn)

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引用该论文

Chen Zaiqing,Chen Kai,Huang Xiaoqiao,Tai Yonghang,Shi Junsheng,Yun Lijun. Color Characterization of Barrier-Type Autostereoscopic Displays[J]. Acta Optica Sinica, 2019, 39(5): 0533002

陈载清,陈凯,黄小乔,邰永航,石俊生,云利军. 光栅式自由立体显示器的颜色特性化实验[J]. 光学学报, 2019, 39(5): 0533002

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