Retinal Fundus Image Registration via Vascular Structure Graph Matching

Table 2

The experiment results of GM-ICP in comparison with GDB-ICP and standard ICP.

	GM		GM-ICP		GDB-ICP		ICP
Criteria	Mean	Std.	Mean	Std.	Mean	Std.	Mean	Std.
CEM (pixels)	1.0006	0.4953	0.8052	0.2826	0.7890	0.3229	2.6633	2.5355
NMI	0.8985	0.1316	0.9151	0.1103	0.9171	0.1092	0.9529	0.0551
NCC	−0.8978	0.1592	−0.9433	0.0603	−0.9445	0.0601	−0.9697	0.0184
Success Rate (%)	95.83		95.83		97.92		45.83
Avg Run Time (s)	6.64		7.75		21.57		10.99