Automatic Side-Scan Sonar Image Enhancement in Curvelet Transform Domain

Table 2

Comparison of running time (s).

Image	HE	AIE-NSCT	PFBE	Proposed
Sand	0.03	81.97	2.52	1.13
Plane	0.02	21.03	0.75	0.33
River landform	0.03	79.80	2.46	1.11
Bridge pier	0.02	28.73	0.97	0.48