V2EX ssao

SSAO

定义 Definition

SSAOScreen Space Ambient Occlusion 的缩写,中文常译为屏幕空间环境光遮蔽:一种在实时渲染(尤其是游戏)中常用的后期/屏幕空间技术,用来近似表现物体接缝、角落、凹陷处的“遮蔽变暗”效果,从而增强画面深度与立体感。(也存在更高质量或不同变体的环境光遮蔽方法。)

发音 Pronunciation

/sseo/

例句 Examples

SSAO makes corners and creases look deeper.
SSAO 会让角落和褶皱看起来更有深度。

The engine uses SSAO in its post-processing pipeline to add subtle shadowing where objects meet.
该引擎在后期处理流程中使用 SSAO,在物体接触处增加细微的阴影效果。

词源 Etymology

SSAO 来自计算机图形学术语 Screen Space Ambient Occlusion

  • Screen Space(屏幕空间):在屏幕/图像空间而非真实三维空间中计算;
  • Ambient Occlusion(环境光遮蔽):用近似方式估计环境光在凹处被遮挡而变暗的程度。
    该缩写在实时渲染社区中被广泛使用,因其速度快、成本低,适合游戏等场景。

相关词 Related Words

文献与作品 Notable Works

  • *Real-Time Rendering (Fourth Edition)*(实时渲染经典教材中讨论环境光遮蔽及其在实时管线中的应用,常提及 SSAO 等方法)
  • GPU Pro 系列(收录大量实时图形技巧与实践文章,包含环境光遮蔽/屏幕空间效果相关内容)
  • ShaderX 系列(以着色器与图形编程为主题的合集,常涉及 SSAO 等后期与近似光照技术)
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