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Vision Res. 2002 Mar;42(5):559-63.

Color categories revealed by non-negative matrix factorization of Munsell color spectra.

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1
Department of Bioengineering, University of Pennsylvania, 3320 Smith Walk, Philadelphia, PA 19104-6392, USA. gershon@seas.upenn.edu

Abstract

Non-negative matrix factorization (NMF, Nature 401 (1999) 788-791) is a method to derive non-negative basis functions for sets of data that are inherently non-negative, such as color spectra. We applied NMF to Munsell color spectra and investigated the color names associated with the non-negative basis functions. NMF yields basis functions compatible with established color naming categories.

PMID:
11853773
[Indexed for MEDLINE]
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