The Nonsubsampled Contourlet Transform Based Statistical Medical Image Fusion Using Generalized Gaussian Density

Table 1

Objective evaluation results of the four different metrics for CT and MRI images.

	Index	DWT	GP	PCA	GF	CT	NSCT-1	NSCT-2	Proposed
Figure 5	MI	1.274	1.279	1.365	1.279	1.324	1.450	1.490	1.891
	EN	5.008	4.843	4.050	5.107	5.183	4.978	5.371	5.675
	SF	33.22	31.08	20.52	29.83	27.67	23.52	33.41	34.86
		0.509	0.577	0.369	0.592	0.592	0.568	0.593	0.596
Figure 6	MI	3.077	2.521	3.663	2.729	3.831	3.916	3.949	3.962
	EN	5.125	4.851	4.340	5.578	6.300	6.414	6.473	6.469
	SF	22.79	19.84	19.04	20.29	29.87	30.15	30.27	31.41
		0.618	0.694	0.665	0.682	0.682	0.694	0.699	0.703