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Accurately Extracting the breast region from a mammogram is one of the most important keys for breast mass analysis. This paper uses the median filtering, morphological erosion processing, Sobel edge detector, and thresholding to find a original breast boundary, then uses the gradient vector flow snake (GVF-Snake) with gradient map adjustment to get the accurate breast boundary. The presented algorithm...
The number of digital images that needs to be acquired, analyzed, classified, stored and retrieved in the medical centers is exponentially growing with the advances in medical imaging technology. Accordingly, medical image classification and retrieval has become a popular topic in the recent years. Despite many projects focusing on this problem, proposed solutions are still far from being sufficiently...
This paper presents a novel approach for automated segmentation of the vasculature in retinal images. The approach uses the intensity information from red and green channels of the same retinal image to correct nonuniform illumination in colour fundus images. Matched filtering is utilized to enhance the contrast of blood vessels against the background. The enhanced blood vessels are then segmented...
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