Multimodal Medical Image Fusion by Adaptive Manifold Filter

Table 2

Objective evaluation on the fusion results of groups (c) and (d).

Method	Group (c)		Group (d)
	MI		MI
PCA	3.8985	0.4108	4.6582	0.6270
Gradient	4.0276	0.4663	3.9338	0.5628
Laplacian	4.1913	0.5368	3.5286	0.6185
SIDWT	4.1766	0.5734	3.7258	0.6047
Liu’s method	3.6656	0.4579	4.2615	0.6773
Sudeb’s method	3.2714	0.5374	5.0068	0.6680
Kang’s method	2.9900	0.4577	3.6000	0.6230
Our method	5.3615	0.5451	5.4437	0.6828