Table 3. The number of images after augmentation for each magnification level of BreakHis dataset.

Magnification factor	Benign	Malignant	Total
40×	18,750	41,100	59,850
100×	19,320	43,110	62,430
200×	18,690	41,700	60,390
400×	17,640	36,960	54,600
Total	74,400	162,870	237,270