Dichromatic illumination estimation without pre-segmentation

Authors:
Javier Toro
Affiliations:
Centre de recherche MOIVRE, Université de Sherbrooke, Sherbrooke, Québec, Canada J1K 2R1
Venue:
Pattern Recognition Letters
Year:
2008

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Abstract

An illumination estimation method based on the dichromatic reflection model is proposed. Unlike most previous dichromatic methods, no explicit image segmentation into regions of uniform surface reflectance or highlight areas is required. An estimate is obtained by optimizing a cost function on the color of the illuminating light.