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Is the optical image of a non-Lambertian fractal surface fractal?

机译:非朗伯分形表面分形的光学图像吗?

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摘要

This letter generalizes Pentland's result about the fractal dimension of the optical image of rough natural surfaces, without imposing his requirement that the reflection is Lambertian. Instead, it is assumed that the reflectance coefficient is proportional to the focusing/defocusing due to local surface curvature. It will be proved for this case that the density distribution across the optical image inherits the fractal dimension of the mapped surface.
机译:这封信概括了彭特兰关于粗糙自然表面光学图像的分形维数的结果,而没有强加他的反射是朗伯式的要求。取而代之的是,假设由于局部表面曲率,反射系数与聚焦/散焦成比例。对于这种情况将证明,光学图像上的密度分布继承了映射表面的分形维数。

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