Multifocus Image Fusion Using Biogeography-Based Optimization

Table 2

Evaluation of various image fusion algorithms with the reference image.

	PCNN	NSCT	NSST	GA	PSO	DE	BBO	CSBBO
RMSE	9.9285	1.3422	1.3396	1.3013	1.2942	1.3010	1.2953	1.2922
PSNR	38.195	46.886	46.894	47.020	47.036	47.021	47.044	47.051
SSIM	0.9442	0.9986	0.9986	0.9989	0.9990	0.9989	0.9990	0.9991