PCNN-Based Image Fusion in Compressed Domain

Table 3

Comparison of fusion methods for CT-MRI and MRT1-MRT2.

Image	Method	Average	Mean	Variance	MI	PCA	Proposed
CT-MRI	IE	5.8369	6.6259	6.5445	6.4765	6.6467	6.5692
	MI	2.9354	2.5375	2.2429	2.4872	2.4367	2.9798
		0.2720	0.5762	0.5116	0.5250	0.5870	0.6711
MRT1-MRT2	IE	3.9925	4.1990	4.1803	4.0174	4.2195	4.4534
	MI	2.7466	2.9481	2.9445	2.7193	2.9971	3.6100
		0.3686	0.4864	0.4845	0.3732	0.5092	0.7362