A computer-aided diagnosis system for breast ultrasound based on weighted BI-RADS classes

•A computer-aided diagnosis (CAD) system for breast ultrasound based on weighted BI-RADS classes is proposed.•The BI-RADS categories are weighted by pathological information to form three classes: benign, probably benign, and malignant.•The imbalance between benign and malignant classes is reduced a...

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