The Effect of Chromatic Background for Luminance Contrast-Sensitivity Function

被引：0

作者：

Song, Li ^{[1
]}

Liao, Ningfang ^{[1
]}

Dong, Shuwen ^{[1
]}

Liao, Ting ^{[1
]}

Hu, Weigui ^{[1
]}

Lin, Kai ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China

来源：

OPTOELECTRONIC IMAGING AND MULTIMEDIA TECHNOLOGY II | 2012年 / 8558卷

关键词：

Human contrast-sensitivity function; Chromatic background; Characterization; Limits method;

D O I：

10.1117/12.2014170

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The effect of chromatic background on luminance contrast-sensitivity function (CSF) is studied. We selected three background-grey, orange and yellow-green from CIE 17 color center. The mean luminance of these colors is approximately equal. We use CRT monitor display the rectangular stripe. Every rectangular stripe has six spatial frequencies (0.4, 1, 2, 3.5,7 and 14cpd). The method of limits is used in the experiment, 5 observers, who have normal vision and test of vision is all over 1.0, participated in the experiment. The results of experiment show that the luminance contrast sensitivity on chromatic background is lower than the luminance contrast sensitivity under grey background. Fitting results show that Movshon model is better than Barten model, especially for the chromatic background. Both of the models have deviation in the high spatial frequency part.

引用

页数：7

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