Vos J J
Emeritus TNO Human Factors, Soesterberg, The Netherlands.
Clin Exp Optom. 2006 Nov;89(6):348-60. doi: 10.1111/j.1444-0938.2006.00091.x.
'Lower colour metrics' describes the laws of colour mixture as manifest in trichromatic colour space and best known in its two-dimensional projection, the chromaticity diagram. 'Higher colour metrics' describes how distance in this colour space translates into perceptual difference. It is higher in the sense that it builds on the fundamentals of lower colour metrics.
A historical account is given of the development of higher colour metrics, with many ups and downs, since Helmholtz started it at the end of the 19th Century.
Despite long periods of silence, Helmholtz's basic ideas have survived by successfully extended modelling, which could also account for seemingly paradoxical effects of luminance and saturation on colour discrimination.
The subject theme, which presently is at a low tide of interest, deserves the renewed interest of colour vision researchers.
“低阶颜色度量”描述了在三色颜色空间中表现出的颜色混合规律，并且在其二维投影即色度图中最为人熟知。“高阶颜色度量”描述了该颜色空间中的距离如何转化为感知差异。它之所以是高阶的，是因为它建立在低阶颜色度量的基础之上。
给出了高阶颜色度量发展的历史叙述，自19世纪末亥姆霍兹开创以来，历经诸多起伏。
尽管有很长一段时间处于沉寂状态，但亥姆霍兹的基本思想通过成功的扩展建模得以留存，这也能够解释亮度和饱和度对颜色辨别产生的看似矛盾的影响。
这个目前处于兴趣低潮的主题值得颜色视觉研究者重新关注。
