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Volume: 14 | Article ID: art00057
Multispectral Colour Constancy
  DOI :  10.2352/CIC.2006.14.1.art00057  Published OnlineJanuary 2006

Does extending the number of channels from the 3 RGB sensors of a colour camera to 6 or 9 using a multispectral camera enhance the performance of illumination-estimation algorithms? Experiments are conducted with a variety of colour constancy algorithms (Maloney-Wandell, Chromagenic, Greyworld, Max RGB, and a Maloney-Wandell extension) measuring their performance as a function of the number of sensor channels. Although minor improvements were found with 6 channels, overall the results indicate that multispectral imagery is unlikely to lead to substantially better illumination-estimation performance.

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Milan Mosny, Brian Funt, "Multispectral Colour Constancyin Proc. IS&T 14th Color and Imaging Conf.,  2006,  pp 309 - 313,

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