Talk:Neugebauer equations
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Glaring omission[edit]
So where are the equations? --Adoniscik (talk) 16:22, 14 March 2008 (UTC)
Glaring inaccuracy[edit]
The statement "accurately reproduce colors" in the introduction is absurd. Neugebauer himself, 20 years after writing his dissertation, reported that he no longer used them because they were inaccurate, and, instead, used the "sample the CMYK color space and interpolate" approach. See the discussion in the 1955 TAGA Proceedings. Reams of empirical evidence have been gathered since that time to document the inaccuracy of the Neugebauer equations; Yule and Nielsen, in 1951, showed that the fundamental assumption made by Neugebauer was incorrect.
Accordingly, I am modifying this statement. Lovibond (talk) 22:11, 3 August 2011 (UTC)
Yet another inaccuracy[edit]
The second equation in the article as it appears today is attributed to Yule and Nielsen (1951), yet neither it nor anything resembling it appears in that paper. However, in the paper that follows it in the Proceedings there is a formula that does have some similarity, but are in terms of wideband reflectances, not spectral. There are other sources that do use the spectral notation; if the formula is to appear as it is, one of these should be referenced. Lovibond (talk) 02:35, 23 February 2016 (UTC)