V2EX acceleration structure

Acceleration Structure

释义 Definition

(计算机图形学/光线追踪)加速结构:一种用于加快空间查询(尤其是光线与场景几何体的相交测试)的数据结构,常见形式包括 BVH(层次包围盒)KD-tree 等。在现代 GPU 光线追踪中,通常分为 BLAS(底层加速结构)TLAS(顶层加速结构)

发音 Pronunciation (IPA)

/kselren strktr/

例句 Examples

The renderer builds an acceleration structure before tracing rays.
渲染器在进行光线追踪之前会先构建加速结构。

Using a well-optimized acceleration structure, the ray tracer can handle millions of triangles interactively.
借助优化良好的加速结构,光线追踪器可以以交互速度处理数百万个三角形。

词源 Etymology

acceleration 来自拉丁语 accelerare(“使加快”),与 celer(“快速”)相关;structure 源自拉丁语 structura(“建造、构造”)。合在一起字面意“用于加速的结构”,在计算机图形学中专指为加速几何/空间查询而设计的数据组织方式。

相关词 Related Words

文献与作品 Literary Works

  • Physically Based Rendering: From Theory to Implementation(PBRT,常讨论 BVH 等加速结构在路径追踪中的作用)
  • Real-Time Rendering(实时渲染领域经典教材,涉及空间数据结构与加速方法)
  • Ray Tracing Gems(系列技术文集,多章直接使用并讨论 “acceleration structure”)
  • Vulkan Ray Tracing 相关规范与指南(如 Vulkan 扩展文档中对 acceleration structures 的定义与用法)
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