Search results for: Sarat Chandra Das
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The segmentation of acne vulgaris lesions is a crucial step for the classification and developing a severity assessment system. In this paper, an unsupervised technique is proposed for the segmentation of acne vulgaris lesions. The effect of color feature normalization on segmentation results is examined. Two types of normalization is performed — in the first type, the color feature values are restricted...
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The occurrence of specular illumination phenomenon in digital photography depends on the nature of the surfaces, imaging geometry and lighting conditions. In the images of Acne patients, besides relative orientation of light source and objects, and lighting conditions; oily skin, pus (white oily liquid) inside Acne Vulgaris lesions and medication applied to face, also cause specular illumination....
