基于微面的BRDF发生器

Proceedings of the 27th annual conference on Computer graphics and interactive techniques Pub Date : 2000-07-01 DOI:10.1145/344779.344814

M. Ashikhmin, Simon Premoze, P. Shirley

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引用次数: 347

摘要

提出了一种以二维微面取向分布为输入，生成四维双向反射分布函数(BRDF)的方法。这种方法与以前基于微面的BRDF模型的不同之处在于，它使用了一个简单的阴影项，这使得它可以处理非常普遍的微面分布，同时保持互易性和能量守恒。发电机显示在各种材料类型上。

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A microfacet-based BRDF generator

A method is presented that takes as an input a 2D microfacet orientation distribution and produces a 4D bidirectional reflectance distribution function (BRDF). This method differs from previous microfacet-based BRDF models in that it uses a simple shadowing term which allows it to handle very general microfacet distributions while maintaining reciprocity and energy conservation. The generator is shown on a variety of material types.

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Proceedings of the 27th annual conference on Computer graphics and interactive techniques

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