Table 2.

Comparison of the fusion methods for multi-focus images.

	M1	M2	M3	PCA	Wavelet	Proposed method
IE	7.3276	7.4594	7.4486	7.4937	7.5982	7.5608
SD	28.705	29.728	29.934	30.206	31.127	30.539
AG	8.4581	8.2395	8.4595	8.4853	8.5014	8.5109
PSNR(dB)	35.236	36.246	36.539	36.746	37.533	37.224
Q Index	0.9579	0.9723	0.9706	0.9812	0.9901	0.9844
MI	3.4132	3.5268	3.9801	4.0538	4.1257	4.2578