Barrionuevo Pablo Alejandro, Colombo Elisa Margarita, Issolio Luis Alberto
J Opt Soc Am A Opt Image Sci Vis. 2013 Jun 1;30(6):1236-47. doi: 10.1364/JOSAA.30.001236.
A glare source in the visual field modifies the brightness of a test patch surrounded by a mesopic background. In this study, we investigated the effect of two levels of transient glare on brightness perception for several combinations of mesopic reference test luminances (Lts) and background luminances (Lbs). While brightness perception was affected by Lb, there were no appreciable effects for changes in the Lt. The highest brightness reduction was found for Lbs in the low mesopic range. Considering the main proposal that brightness can be inferred from contrast and the Lb sets the mesopic luminance adaptation, we hypothesized that contrast gain and retinal adaptation mechanisms would act when a transient glare source was present in the visual field. A physiology-based model that adequately fitted the present and previous results was developed.
视野中的眩光光源会改变由中间视觉背景包围的测试斑块的亮度。在本研究中，我们研究了两种水平的瞬态眩光对中间视觉参考测试亮度（Lts）和背景亮度（Lbs）的几种组合的亮度感知的影响。虽然亮度感知受Lb影响，但Lt的变化没有明显影响。在低中间视觉范围内，Lbs的亮度降低最高。考虑到亮度可从对比度推断以及Lb设定中间视觉亮度适应这一主要观点，我们假设当视野中存在瞬态眩光光源时，对比度增益和视网膜适应机制会起作用。开发了一个能充分拟合当前和先前结果的基于生理学的模型。
