V2EX white point

White Point

定义 Definition

white point:在色彩科学、摄影、显示与印刷中指“白点”,即一个色彩系统中被定义为“白色”的参考色(通常用色温或色度坐标表示),用来决定整体画面的冷暖与中性色平衡。也常用于白平衡(white balance)与显示器校准语境中。
(在其他语境中也可能指地名或“白色的点”,但最常见用法是色彩/成像领域的“白点”。)

发音 Pronunciation (IPA)

/wat pnt/

例句 Examples

The photo looks too blue; adjust the white point.
这张照片看起来太蓝了;调整一下白点。

In color grading, choosing a warmer white point can make skin tones feel more natural, while a cooler white point may emphasize a clinical or wintery mood.
在调色中,选择更暖的白点会让肤色显得更自然;而更冷的白点可能强化冷峻或冬日般的氛围。

词源 Etymology

white 源自古英语 hwīt(白色的),point 源自古法语 point(点、点状标记)。合在一起的 white point 字面是“白色的点/标记”,在技术领域被引申为“用来定义白色的参考点”,也就是色彩系统的基准白。

相关词 Related Words

文学与作品 Literary Works

  • The Reproduction of Colour(R. W. G. Hunt)
  • Digital Color Management: Encoding Solutions(Edward J. Giorgianni, Thomas E. Madden)
  • Color Appearance Models(Mark D. Fairchild)
  • Real World Color Management(Bruce Fraser 等)
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