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Measurement and Modeling of Bidirectional Characteristics of Fluorescent Objects

机译：荧光物体双向特征的测量与建模

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摘要

A method is proposed for measurement and modeling of bidirectional characteristics of fluorescent objects. First, a gonio-spectro measurement system is constructed for measuring the spectral luminescent radiance factor of a variety of fluorescent object surfaces. Second, the angular dependency of the luminescence radiance factor is analyzed in different light incidence and viewing directions. The observed radiance factors can then be described by the Lambertian model with good accuracy. We also analyze the bidirectional reflection radiance factor of a white mat surface. The whole characteristics of bispectral bidirectional radiance factors of a fluorescent object can be summarized as a compact mathematical model. Finally, image rendering of a fluorescent object is performed using the Donaldson matrix estimated in a separate measurement system. The feasibility of the proposed method was examined experimentally.
机译：提出了一种方法，用于测量和建模荧光物体的双向特征。首先，构造GONIO-Spectico测量系统，用于测量各种荧光物体表面的光谱发光辐射因子。其次，在不同的光入射率和观察方向上分析发光辐射因子的角度依赖性。然后，Lambertian模型可以用良好的精度来描述观察到的辐射因子。我们还分析了白色垫表面的双向反射辐射系数。荧光物体双光谱双向辐射因子的整体特征可以总结为紧凑的数学模型。最后，使用单独的测量系统中估计的Donaldson矩阵来执行荧光对象的图像渲染。实验检查了所提出的方法的可行性。

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