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Study of the photodetector characteristics of a camera for color constancy in natural scenes.

Abstract:

An algorithm is described to extract two features that represent the chromaticity of a surface and that are independent of both the intensity and correlated color temperature of the daylight illuminating a scene. For mathematical convenience this algorithm is derived using the assumptions that each photodetector responds to a single wavelength and that the spectrum of the illumination source can be represented by a blackbody spectrum. Neither of these assumptions will be valid in a real appli...

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Publication status:
Published

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Publisher copy:
10.1364/josaa.27.000286

Authors


Ratnasingam, S More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Journal:
Journal of the Optical Society of America. A, Optics, image science, and vision
Volume:
27
Issue:
2
Pages:
286-294
Publication date:
2010-02-05
DOI:
EISSN:
1520-8532
ISSN:
1084-7529
URN:
uuid:e5945cac-7321-4ada-80f5-1efc5f20248a
Source identifiers:
64439
Local pid:
pubs:64439

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