Color Calibration for a Dermatological Video Camera System

Authors:
C. Grana;G. Pellacani;S. Seidenari;R. Cucchiara
Affiliations:
University of Modena and Reggio Emilia;University of Modena and Reggio Emilia;University of Modena and Reggio Emilia;University of Modena and Reggio Emilia
Venue:
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 3 - Volume 03
Year:
2004

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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, 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.