Algorithm for rendering soft shadow volumes based on trapeziums(一种梯形结构的软阴影锥生成方法)
软阴影锥(soft shadow volumes)算法是多媒体领域中用于快速生成高质量阴影的最佳算法之一.然而,在区城光源情形下,精致软阴影的计算仍然是计算机图形处理过程中的难题之一.在对不同的软阴影算法分析研究的基础上,提出了一种梯形结构的软阴影锥渲染算法,对于每个阴影象素仅需用一束参考光线来测试.通过不同的阴影场景的实验表明,该方法能比较快速地生成非常光滑且无噪音的软阴影图像....
Main Authors: | ZHOUGuo-min(周国民), LUDi-fei(卢涤非), ZHANGQi-qian(张其前) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2007-11-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2007.34.6.628-632 |
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