J. Angulo (France)
color mathematical morphology, color distance, vecto rial ordering, noise removal, contrast enhancement, LSH, L*a*b*
The extension of mathematical morphology operators to multi-valued functions, and in particular to color images, is neither direct nor general. In this paper is proposed a generalisation of distance-based and lexicographical-based approaches, allowing the extension of morphological op erators to color images for any color representation (e.g. RGB, LSH and L*a*b*) and for any metric distance to a reference color. The performance of these morphological color operators is illustrated by means of two applications: color denoising by the centre operator and color enhance ment by the contrast mapping.
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