Colour Constancy for Scenes with Varying Illumination

Barnard, Kobus, Finlayson, Graham and Funt, Brian (1996) Colour Constancy for Scenes with Varying Illumination. In: Computer Vision — ECCV '96. Lecture Notes in Computer Science, 1065 . Springer Berlin / Heidelberg, pp. 1-15.

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We present an algorithm which uses information from both surface reflectance and illumination variation to solve for colour constancy. Most colour constancy algorithms assume that the illumination across a scene is constant, but this is very often not valid for real images. The method presented in this work identifies and removes the illumination variation, and in addition uses the variation to constrain the solution. The constraint is applied conjunctively to constraints found from surface reflectances. Thus the algorithm can provide good colour constancy when there is sufficient variation in surface reflectances, or sufficient illumination variation, or a combination of both. We present the results of running the algorithm on several real scenes, and the results are very encouraging.

Item Type: Book Section
Additional Information: 4th European Conference on Computer Vision Cambridge, UK, April 15–18, 1996 Proceedings Volume II
Faculty \ School: Faculty of Science > School of Computing Sciences
UEA Research Groups: Faculty of Science > Research Groups > Interactive Graphics and Audio
Faculty of Science > Research Groups > Colour and Imaging Lab
Depositing User: Vishal Gautam
Date Deposited: 04 Mar 2011 09:43
Last Modified: 13 Jul 2024 23:45
DOI: 10.1007/3-540-61123-1_123

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