Table 1.

Summary of region of interest detection accuracy for each type of abnormality under four different algorithms

Diagnosis	Total images (n)	Drukker et al. (6)	Accuracy (%)
			Yap et al. (local mean) (7)	Yap et al. (fractal) (7)	Proposed method
Malignant	20	80.00	65.00	45.00	90.00
Simple cysts	76	67.11	60.53	55.26	86.84
Complex cysts	76	72.37	71.05	59.21	89.47
Fibroadenoma	58	62.07	63.79	46.55	77.59
Carcinoma	38	57.89	78.95	52.63	78.95
Occult lesions	18	94.44	88.89	66.67	88.89
Adenosis	15	80.00	73.33	46.67	93.33
Others	59	59.32	64.41	54.24	89.83
Total	360	67.78	68.05	53.89	86.11