An ICA-based method for the segmentation of pigmented skin lesions in macroscopic images

Pablo G Cavalcanti, Jacob Scharcanski, Leandro E Di Persia, Diego H Milone
Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2011, 2011: 5993-6
Segmentation is an important step in computer-aided diagnostic systems for pigmented skin lesions, since that a good definition of the lesion area and its boundary at the image is very important to distinguish benign from malignant cases. In this paper a new skin lesion segmentation method is proposed. This method uses Independent Component Analysis to locate skin lesions in the image, and this location information is further refined by a Level-set segmentation method. Our method was evaluated in 141 images and achieved an average segmentation error of 16.55%, lower than the results for comparable state-of-the-art methods proposed in literature.

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