V2EX light probe

Light Probe

定义 Definition

light probe光照探针 / 光探针。指用于采样并记录某个空间位置的环境光信息的工具或数据(常见于计算机图形学与游戏引擎,用于环境光、反射与全局光照的近似);也可指在光学/工程中用于测量光强或光分布的探测装置。

发音 Pronunciation (IPA)

/lat prob/

例句 Examples

We placed a light probe in the room to capture the lighting.
我们在房间里放置了一个光照探针来捕捉光照信息。

To make the metallic surfaces look realistic, the engine blends multiple light probes and updates reflections as the camera moves.
为了让金属表面看起来更真实,引擎会混合多个光照探针,并在镜头移动时更新反射效果。

词源 Etymology

light(光) + probe(探针/探测器) 组成。probe 原意是“用来探测的工具”,在计算机图形学中引申为“在某一点对光照进行取样/测量的对象”,因此 light probe 就是“用于探测/采样光照的探针”。

相关词 Related Words

文献与作品 Literary / Works

  • Real-Time Rendering(AkenineMller 等):讨论基于探针/环境贴图的实时光照与反射近似。
  • GPU Gems(NVIDIA):收录与环境光照、反射贴图、探针式近似相关的章节与实践方法。
  • *Physically Based Rendering: From Theory to Implementation (PBRT)*:在基于物理的渲染语境中涉及环境光采样与相关表示方法(与光照探针概念密切相关)。
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