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Histon-Based FCM for Medical Image Segmentation
Abstract
This paper investigates FCM(fuzzy c-means) for medical image segmentation, which performs well in natural images while poor in complex medical images. In our opinion, one important reason for this is that membership matrix and cluster centers in FCM are assigned randomly. Aiming at this, this paper adopts the idea of discretization in data mining for initializing cluster centers, and the proposed schema is performed through 3 steps. First, histon of the given image is constructed based on a window defined in mean shift, including range and spatial information; second, local maximums of histon are retrieved and sorted in the descending order, and some of them are selected as initial cluster centers with the help of discretization method; finally, FCM performs based on initial centers for image segmentation. Experiments results show that the proposed schema can achieve the main parts of the given image compared to conventional FCM, together with high efficiency.
Keywords
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