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Quantification of Gloss Perception as a Function of Stimulus Duration

机译:光泽感知的量化与刺激持续时间的函数

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摘要

The mechanism and temporal characteristics of gloss perception are not entirely clear. In addition, the formulation for predicting gloss perception from photometric values has not been established. In the present study, we conducted an experiment to measure several temporal characteristics of gloss perception in order to clarify the mechanism. All stimuli were rendered as computer graphics with Phong and Lambert models to provide gloss perception to human observers. We measured perceptual glossiness with a magnitude estimation method and perceptual diffuse/specular reflectance of test stimuli with a matching method under several stimulus conditions, such as reflectance coefficients and stimulus duration. The results showed that the perceptual specular component and perceptual glossiness increase with decreasing stimulus duration. Finally, we proposed a formulation to predict perceptual glossiness as a function of stimulus duration.
机译:光泽感的机理和时间特征尚不完全清楚。另外,尚未建立用于根据光度值预测光泽感的配方。在本研究中,我们进行了一项实验来测量光泽感的几个时间特性,以阐明其机理。所有刺激均使用Phong和Lambert模型渲染为计算机图形,以向人类观察者提供光泽感。我们使用幅度估计方法测量了感知的光泽度,并使用匹配方法在多种刺激条件下(例如反射系数和刺激持续时间),通过匹配方法测量了测试刺激的感知扩散/镜面反射率。结果表明,随着刺激持续时间的减少,感知镜面反射分量和感知光泽度增加。最后,我们提出了一种公式来预测感知光泽度与刺激持续时间的关系。

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