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Updated: Jun 8, 2025

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Visualizing Visual Adaptation
Published on: April 24, 2017
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定义视觉适应场的 mesopic 光度: 周围源位置对外围适应的影响
Tatsukiyo Uchida1, Yoshi Ohno2
1Panasonic Corporation, Osaka, Japan.
概括
国际照明委员会是国际照明委员会.
科学领域:
- 摄影测量是一种摄影仪.
- 视觉科学 视觉科学 视觉科学
- 照明工程 照明工程
背景情况:
- 国际照明委员会 (CIE) 在CIE191:2010中建立了一个中距离光度系统,强调外围视觉任务.
- 准确实施需要定义视觉适应场,考虑周围亮度对适应状态的影响.
- 现有的周围发光效应模型,如Stiles-Holladay和CIE光公式,可能无法完全捕捉中距离条件.
研究的目的:
- 通过实验测量在中等距离范围内的周围发光效应.
- 为了研究外围任务和点源之间的角度如何影响这种效应.
- 根据经验发现,开发一个新的周围发光效应模型.
主要方法:
- 进行了一系列视觉实验,特别是在中等光度范围内.
- 通过改变外围视觉任务和点源之间的角度距离来测量周围的发光效应.
- 将实验结果与已建立的模型进行比较,例如Stiles-Holladay方程和CIE一般残疾人光公式.
主要成果:
- 周围的发光效应随着外围任务和点源之间的角度增加而减少.
- 随着角度的变化,周围发光效应的下降速度比当前模型预测的要急.
- 现有的模型 (Stiles-Holladay,CIE光泽,Stiles-Crawford) 显示与测量的中距离数据存在差异.
结论:
- 基于实验数据,提出了一个关于中视视觉周围发光效应的新型模型.
- 这种新模型为在中距离条件下定义视觉适应场提供了更高的准确性.
- 这些发现需要对现有模型进行改进,以更好地表示在中距离照明下外围视觉任务.
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