Image Fusion of CT and MR with Sparse Representation in NSST Domain

Table 3

Objective evaluation metrics of the fusion results of Figures 3(a) and 3(d).

Method	STD	M-SSIM	MI	SCD					VIFF
Proposed	83.5111	0.7583	2.7913	1.3901	0.3749	0.6762	0.4247	0.4896	0.4487
NSCT-SR-OMP	74.3309	0.6554	2.5727	1.0432	0.3611	0.6548	0.4312	0.4820	0.3996
SR-OMP	68.0421	0.7522	2.8751	0.8643	0.3365	0.6083	0.4174	0.5042	0.2662
NSST	69.1365	0.6885	2.5367	1.0001	0.3679	0.6619	0.4470	0.5147	0.3804
NSCT	66.1375	0.5378	2.3410	0.8138	0.3371	0.5891	0.3997	0.4491	0.3288
CVT	67.2095	0.5739	2.2814	0.8713	0.3167	0.6222	0.4038	0.4503	0.3214
DTCWT	63.6317	0.5042	2.6157	0.8570	0.2564	0.2516	0.1870	0.5476	0.1790
GP	66.7812	0.6558	2.5425	0.9912	0.3638	0.6216	0.4109	0.4737	0.3361