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Detailed segmentation of pigmented skin lesions is an important requirement in computer aided applications for melanoma assessment. In particular, accurate segmentation is necessary for image-guided evaluation of skin lesions characteristics. In this paper, we present a new approach of histogram thresholding for detailed segmentation of skin lesions based on histogram analysis of the saturation color...
The differential gray-levels histogram equalization (DHE) which was an expanded version of the histogram equalization (HE) is a simple and effective contrast enhancement method since the differential gray-levels histogram contains spatial features of the input image. The DHE for color images (DHEfC) is also proposed. In DHEfC, the intensity component is enhanced by using intensity/saturation differential...
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