Abstract
In this paper, a color normalization algorithm is proposed to compensate the difference of illumination between two images, which could be used for pre-processing, i. e., color constancy step in a histogram-based indexing algorithm. Unlike traditional color constancy algorithms, we attempt to transform the query image, so that the lighting condition is adjusted to be same with the reference image. The proposed algorithm assumes the Maloney and Wandel's reflectance model [6], and normalizes the magnitude of color components of input image. Experiments are carried out to evaluate the proposed algorithm. In the experiments, it is shown that the transformed lighting condition is almost same as the reference image in the color histogram domain. In addition, it is also shown that the performance of Swain's color indexing can be enhanced by combining the proposed algorithm.
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© 1997 Springer-Verlag Berlin Heidelberg
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Park, I.K., Yun, I.D., Lee, S.U. (1997). A color normalization algorithm for image indexing. In: Chin, R., Pong, TC. (eds) Computer Vision — ACCV'98. ACCV 1998. Lecture Notes in Computer Science, vol 1351. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-63930-6_109
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DOI: https://doi.org/10.1007/3-540-63930-6_109
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