V2EX metamerism

Metamerism

释义 Definition

同色异谱(色度学):在某种光源和观察条件下,两种物体看起来颜色相同,但它们的光谱反射/发射分布不同;当光源或观察条件改变时,这种“相同颜色”的效果可能消失。
(也可指生物学中的“体节性/分节现象”,但更常见于色彩科学语境。)

发音 Pronunciation (IPA)

/mtmrzm/

例句 Examples

The two fabrics match under store lighting because of metamerism.
这两块布在商店灯光下看起来一致,是因为同色异谱现象。

Metamerism can cause a printed color to look identical to a paint sample in daylight but noticeably different under fluorescent lamps, which is why color-critical work specifies the illuminant and viewing conditions.
同色异谱会导致印刷色在日光下与油漆色样看起来一致,但在荧光灯下明显不同,因此对色彩要求严格的工作会明确规定光源与观察条件。

词源 Etymology

来自希腊语构词:meta-(“改变、不同”)+ meros(“部分”),原意与“由不同部分组成/分配方式不同”相关。用于色度学时,强调“光谱组成不同却呈现同色”;在生物学中则可指“由重复体节构成”。

相关词 Related Words

文学与著作 Literary Works

  • Color Science: Concepts and Methods, Quantitative Data and Formulae(Wyszecki & Stiles)
  • Principles of Color Technology(Billmeyer & Saltzman)
  • Color Appearance Models(Mark D. Fairchild)
  • CIE(国际照明委员会)相关技术出版物(涉及标准照明体、观察者与同色异谱评估)
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