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

Table 2

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

Method	STD	M-SSIM	MI	SCD					VIFF
Proposed	85.4593	0.7386	2.9224	1.4621	0.3824	0.7690	0.4827	0.5113	0.4131
NSCT-SR-OMP	76.8654	0.6591	2.8395	1.1346	0.3718	0.7587	0.5001	0.5217	0.3669
SR-OMP	73.0928	0.7235	3.1352	1.0630	0.3353	0.7170	0.4729	0.5192	0.2911
NSST	69.3967	0.6643	2.6868	1.0580	0.3670	0.7372	0.4851	0.5332	0.3338
NSCT	66.7627	0.5297	2.6151	0.9171	0.3433	0.6916	0.4680	0.4921	0.2897
CVT	67.2029	0.5603	2.4766	0.9319	0.3152	0.7006	0.4542	0.4715	0.2837
DTCWT	61.8421	0.4939	2.5247	0.8863	0.2558	0.2433	0.1876	0.4946	0.1420
GP	66.1162	0.6455	2.7886	1.0829	0.3662	0.6868	0.4535	0.4983	0.3151