From:  Comparative evaluation of vision transformers and convolutional networks for breast ultrasound image classification

 Distribution of BUSI images across training, validation, and test subsets.

ClassesTrain (70%)Validation (15%)Test (15%)Total (100%)
Benign3056567437
Malignant1473132210
Normal931921133
Total545115120780

BUSI: Breast Ultrasound Images.