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Color Calibration for a Dermatological Video Camera System

Abstract: In this work, we describe a technique to calibrate images for skin analysis in dermatology. Using a common reference we correct non-uniform illumination effects, give an estimation of the gamma correction and produce a XYZ conversion matrix. The final result is then reverted to a non standard RGB color space, built from the instrument images. In this way different instruments behave uniformly allowing colorimetric characterization, while improving the results of common algorithms. The proposed techniques should be the initial support for a distributed framework where dermatological images can be consistently compared.


Grana, Costantino; Pellacani, Giovanni; Seidenari, Stefania; Cucchiara, Rita "Color Calibration for a Dermatological Video Camera System" Proceedings of the 17th International Conference on Pattern Recognition, vol. 3, Cambridge, UK, pp. 798 -801 , Aug 23-26, 2004

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