Ultrasound Image Enhancement Using Structure-Based Filtering

Table 4

Cost breakdown of the proposed method, measured by seconds. The numbers in parentheses are percentages.

Images	Size	Equal. (%)	𝜆1,𝜆2 (%)	Class. (%)	Filter. (%)	Total
Lena	512×512	0.60 (20.6)	1.41 (48.3)	0.01 (0.3)	0.90 (30.8)	2.92
Butterfly	512×512	0.60 (21.1)	1.39 (48.9)	0.03 (1.1)	0.82 (28.9)	2.84
Peppers	512×512	0.61 (20.3)	1.40 (46.7)	0.02 (0.7)	0.97 (32.3)	3.00
Cameraman	512×512	0.64 (20.9)	1.40 (45.8)	0.01 (0.3)	1.01 (33.0)	3.06
Kidney	469×379	0.39 (20.7)	0.95 (50.5)	0.01 (0.5)	0.53 (28.2)	1.88
Liver	246×235	0.11 (20.4)	0.31 (57.4)	0.00 (0.0)	0.12 (22.2)	0.54