V2EX tristimulus

Tristimulus

释义 Definition

tristimulus(n./adj.)三刺激(的)。指用三种基准刺激量(通常对应人眼三类视锥细胞的响应)来表示一种颜色的方法或相关数值,常见于色度学颜色测量(如 CIE XYZ 三刺激值)。

发音 Pronunciation (IPA)

/trastmjls/

例句 Examples

Tristimulus values can describe a color with just three numbers.
三刺激值可以用三个数字来描述一种颜色。

In colorimetry, the CIE XYZ tristimulus system provides a standardized way to convert measured spectra into comparable color data across devices.
在色度学中,CIE XYZ 三刺激系统提供了一种标准化方法,把测得的光谱转换为可在不同设备间比较的颜色数据。

词源 Etymology

来自前缀 **tri-**(“三”)+ stimulus(“刺激”)。字面意思是“三种刺激”,对应人类视觉在颜色知觉上可用三类信号来表征颜色这一思想,因此在色彩科学中发展为“三刺激值/三刺激系统”的术语。

相关词 Related Words

文学与著名作品 Notable Works

  • CIE(国际照明委员会):《CIE Colorimetry》(色度学标准文献中频繁出现 tristimulustristimulus values
  • Wyszecki & Stiles:《Color Science: Concepts and Methods, Quantitative Data and Formulae》(颜色科学经典教材,系统讨论三刺激值与 CIE XYZ)
  • Hunt:《The Reproduction of Colour》(颜色再现领域权威著作,涉及三刺激测量与颜色管理)
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