19 September 2017 A locally adaptive algorithm for shadow correction in color images
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The paper deals with correction of color images distorted by spatially nonuniform illumination. A serious distortion occurs in real conditions when a part of the scene containing 3D objects close to a directed light source is illuminated much brighter than the rest of the scene. A locally-adaptive algorithm for correction of shadow regions in color images is proposed. The algorithm consists of segmentation of shadow areas with rank-order statistics followed by correction of nonuniform illumination with human visual perception approach. The performance of the proposed algorithm is compared to that of common algorithms for correction of color images containing shadow regions.
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Victor Karnaukhov, Victor Karnaukhov, Vitaly Kober, Vitaly Kober, } "A locally adaptive algorithm for shadow correction in color images", Proc. SPIE 10396, Applications of Digital Image Processing XL, 1039623 (19 September 2017); doi: 10.1117/12.2272692; https://doi.org/10.1117/12.2272692

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