Light scattering from human hair fibers
ACM SIGGRAPH 2003 Papers
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In this paper, we first proposed two properties of hair that we believe are essential to realistic hair rendering. To satisfy these two properties of hair, we introduce the jittering and pseudo hair model. The jittering and pseudo shadow are achieved using the shadow factor. The experimental results show that with the incorporation of the two properties, hair images look more natural than the images without these properties thus proving that these two properties do indeed improve the realism of hair images.