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Selection of Region of Interest for Calcification in Mammograms
乳腺X射线数字影像中钙化点感兴趣区域提取方法

Keywords: mammogram,calcification region of interest,area extend,unsharp masking
乳腺图像
,钙化点,感兴趣区域,区域扩张,反锐化掩模法

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Abstract:

To preprocess mammograms for computer-aided diagnosis, this paper mainly researches the extraction of calcification region in mammograms. After the background segmentation to mammogram, it firstly makes the pick-up of the mammary region by using the improved area extension, and then uses the method of improved unsharp masking for image enhancement in the pick-up of the mammary region. It highlights the region of calcification points, and picks up the region of interest (ROI) which may contain calcification based on the characteristics of calcification and a suitable threshold. The result shows that this method can complete the extraction of calcification region of interest, helping to improve the accuracy of diagnosis of mammary diseases.

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