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To increase the segmentation speed and efficiency, traditional 2D maximum entropy threshold segmentation method is improved. The improved segmentation method is called PSO-SDAIVE algorithm. In this new algorithm, the 2D gray histogram is changed and forms the 2D D -value attribute gray histogram. When computing image entropy, the spatial gray information of pixels is included in computation. The improved...
Medical image segmentation is the basis of medical image three-dimension reconstruction. The accuracy of image segmentation directly affects the results of image 3D reconstruction. Medical image is a kind of grayscale image. In order to adequately utilize gray information and spatial information of image, the traditional 2D gray histogram is improved and forms the 2D D-value attribute gray histogram...
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