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

Table 6

Statistical comparisons of multifocus image fusion on “medical images set.”

Methods	RMSE	PFE	MAE	Entropy	SNR	PSNR	CC	ERGAS
Average method	33.0091	29.2135	14.6507	1.4345	8.6566	19.9864	0.9071	11.9876
Minimum method	19.4783	9.9898	6.4475	6.5432	14.3451	31.9047	0.9801	6.4365
DWT	11.4902	9.4325	2.4554	11.2144	21.4338	32.0985	0.9833	3.0766
SWT	10.9934	9.3212	1.3554	14.5434	22.8272	38.6287	0.9951	3.7695
DWT (Laplacian) proposed	10.0120	8.0546	1.4584	13.4532	25.1645	37.3632	0.9955	3.0021
DWT (unsharp) proposed	10.2221	7.8760	1.0543	12.2233	24.2531	36.1668	0.9943	2.1981
DWT (LF + DFT) proposed	8.1100	6.5432	1.0098	14.5435	28.4334	39.9881	0.9984	2.0001
SWT (Laplacian) proposed	10.4973	6.4924	1.0730	15.7644	28.5546	35.9549	0.9981	2.5414
SWT (unsharp) proposed	9.1203	7.3432	1.0845	15.5087	27.5432	44.4419	0.9967	2.3297
SWT (LF + DFT) proposed	7.1123	5.3332	1.0080	16.9438	33.4322	43.2542	0.9982	2.1221