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

Table 1

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

Method	STD	M-SSIM	MI	SCD					VIFF
Proposed	83.1426	0.7511	2.7804	1.4081	0.3614	0.6502	0.4119	0.4911	0.4494
NSCT-SR-OMP	78.2445	0.6689	2.6225	1.1685	0.3478	0.6320	0.4133	0.4765	0.4124
SR-OMP	67.3711	0.7392	3.1058	0.8483	0.3164	0.5886	0.4131	0.5091	0.2517
NSST	69.2338	0.6853	2.5469	1.0222	0.3535	0.6504	0.4364	0.5205	0.3862
NSCT	66.1168	0.5354	2.3739	0.8571	0.3266	0.5942	0.3935	0.4852	0.3302
CVT	67.1317	0.5582	2.2612	0.8859	0.3010	0.6186	0.4017	0.4629	0.3319
DTCWT	64.1289	0.5115	2.6224	0.8886	0.2430	0.3381	0.2401	0.5746	0.1849
GP	66.3231	0.6104	2.5530	0.9997	0.3505	0.6201	0.4042	0.4868	0.3440