Hybrid Sharpening Transformation Approach for Multifocus Image Fusion Using Medical and Nonmedical Images

Table 5

Statistical comparisons of multifocus image fusion on “building and card image set.”

Methods	RMSE	PFE	MAE	Entropy	SNR	PSNR	CC	ERGAS
Average method	31.3352	26.0768	18.9107	2.3554	6.0334	26.8074	0.9071	8.6514
Minimum method	17.6777	10.3879	5.4055	5.6654	14.3411	34.8047	0.9907	4.7054
DWT	12.3245	8.6483	0.0563	8.6445	18.4388	37.4885	0.9932	2.0012
SWT	11.3361	8.6096	0.0506	8.5664	18.8272	37.6201	0.9950	2.7695
DWT (Laplacian) proposed	10.9912	7.9874	0.0534	9.4743	20.1888	38.3732	0.9961	2.1021
DWT (unsharp) proposed	11.2323	7.9884	0.0532	9.8773	20.2981	38.1128	0.9961	2.1021
DWT (LF + DFT) proposed	9.8712	7.6653	0.0571	9.9933	21.2321	38.9901	0.9964	1.9221
SWT (Laplacian) proposed	10.4224	7.7726	0.0550	9.5543	9.5543	20.9489	0.9959	2.1117
SWT (unsharp) proposed	10.6771	8.3854	0.0524	9.5883	20.2085	38.2419	0.9967	2.2497
SWT (LF + DFT) proposed	8.7712	7.3623	0.0520	10.9877	21.9002	39.2872	0.9972	2.1023