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In the medical diagnosis, the false negative prediction is more serious than the false positive prediction. We introduce the cost-sensitive rule ensemble method (RuleFit) to breast ultrasound, which can induce the interpretable scoring rules for malignancy assessment, and can be applied to tune the sensitivity and specificity of the predictive model by varying the cost weights of misclassification...
Malignant and benign breast tumors have different shape characteristics associated with their growth ways on sonography. Through analyzing the tumor shape pattern on the clinical images and the experimental results, we find that the tumor shape can be characterized on three aspects: convexity, ellipticity, and symmetry. In this paper, the shape measures are quantified using the polygonal approximation,...
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