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J4  2009, Vol. 43 Issue (5): 822-826    DOI: 10.3785/j.issn.1008-973X.2009.05.007
(浙江大学 心理与行为科学系,浙江 杭州 310028)
Brightness perceptive user model based on simultaneous brightness contrast phenomena
 CHEN Shuo, ZHANG Feng, CHEN Mo-Wei
(Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310028, China)
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Based on the user cognitive features of simultaneous brightness contrast, a qualitative model of user perceptive brightness was constructed for setting the value of  brightness during the computer interface design. Simulated Munsell color chips under simulated CIE standard illuminant D65 were adopted as the test stimulates, when presented on  a BP neural network calibrated CRT monitor, its color difference was far less than the minimum perceptible color difference (MPCD). With the test paradigm of brightness  matching, a 4 (test surface) by 4 (matching background) by 16 times repeated measures within subjects design test was conducted on 9 adult male users, 4 users data for model  parameter estimation, another 5 users data for model assessment. Repeated measures ANOVA results showed that the 4 users matched brightness was significantly influenced by  the brightnesses of test surface and matching background. The 4 users test data were fitted by a series of power function, with the background brightness as independent  variable, the Weber contrast which was made of the matching surface brightness and background brightness as dependent variable. The results showed that all the R squares of  fitted models were larger than 0.99. Then the fitted model was evaluated by another 5 users model assessment data, and all evaluated R squares were larger than 0.95. With a  fantastic precision, the fitted model described how the user percepted brightness varied with the brightness variations of the test surface and the test background.

出版日期: 2009-11-18
:  TP391.4  


通讯作者: 沈模卫,男,教授,博导.     E-mail:
作者简介: 陈硕(1970-),男,安徽巢湖人,副教授,从事用户行为模式的研究.
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陈硕, 张锋, 沈模卫. 基于同时亮度对比现象的亮度感知用户模型[J]. J4, 2009, 43(5): 822-826.

CHEN Shuo, ZHANG Feng, CHEN Mo-Wei. Brightness perceptive user model based on simultaneous brightness contrast phenomena. J4, 2009, 43(5): 822-826.


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