V2EX anti-aliasing

Anti-aliasing

定义 Definition

抗锯齿:一种在图像/文字渲染或信号处理中用于减少“锯齿状边缘”(aliasing 走样)的技术,通过平滑边缘、提高采样质量或进行滤波,使画面看起来更自然细腻。(在图形学中也常简称为 AA。)

发音 Pronunciation (IPA)

/nti elis/

例句 Examples

Anti-aliasing makes diagonal lines look smoother on your screen.
抗锯齿会让屏幕上的斜线看起来更平滑。

In the new game engine, temporal anti-aliasing reduces shimmering, but it can slightly blur fine details.
在新的游戏引擎中,时间性抗锯齿能减少闪烁,但也可能让细小细节略微变糊。

词源 Etymology

anti- 表示“反、对抗”,aliasing 源自 alias(“别名”)的概念,在信号与图像处理中指“走样/混叠”:当采样不足时,高频细节会被“误认”为低频形态,表现为锯齿、摩尔纹或闪烁。anti-aliasing 即“对抗走样”的方法总称。

相关词 Related Words

文学作品 Literary Works

  • Real-Time Rendering(Tomas Akenine-Mller, Eric Haines, Naty Hoffman 等):讨论多种抗锯齿方法(如 MSAA、SSAA、后处理 AA)及其取舍。
  • Physically Based Rendering: From Theory to Implementation(Matt Pharr, Wenzel Jakob, Greg Humphreys):在采样与重建滤波的语境下涉及与抗锯齿相关的核心思想。
  • Computer Graphics: Principles and Practice(Foley, van Dam 等):涵盖采样、滤波与光栅化等基础内容,常与抗锯齿主题一并出现。
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