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发明授权
US08872824B1 System, method, and computer program product for performing shadowing utilizing shadow maps and ray tracing 有权
系统，方法和计算机程序产品，用于使用阴影贴图和光线跟踪进行阴影

System, method, and computer program product for performing shadowing utilizing shadow maps and ray tracing
摘要：
A system, method, and computer program product are provided for performing shadowing utilizing shadow maps and ray tracing. In operation, one or more shadow maps are rendered for at least one light source. Additionally, low confidence pixels associated with the one or more shadow maps are determined. Furthermore, shadow rays associated with the low confidence pixels are traced.
摘要（中）：

提供了一种系统，方法和计算机程序产品，用于使用阴影贴图和光线跟踪进行阴影。 在操作中，为至少一个光源呈现一个或多个阴影贴图。 另外，确定与一个或多个阴影贴图相关联的低置信像素。 此外，跟踪与低置信度像素相关联的阴影光线。

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