Multifocus Image Fusion in Q-Shift DTCWT Domain Using Various Fusion Rules

Table 4

Performance comparison of the standard images with RMSE.

Method	Images
	Pep.	Cou.	Air.	Bal.	Lena	Flo.
GRAD	6.15	4.75	5.27	5.75	5.33	6.11
MOP	5.42	3.27	4.95	4.96	4.59	5.55
RAT	0.20	1.09	1.22	1.39	1.24	2.23
LAP	1.67	0.89	2.16	1.07	1.34	2.05
DWT	1.61	0.89	2.46	1.32	1.70	2.75
DTCWT1	1.12	0.49	2.06	0.81	1.38	2.05
DTCWT2	0.91	0.44	2.11	0.71	1.40	2.05
DTCWT3	0.83	0.42	1.82	0.63	1.13	1.30
DTCWT4	0.93	0.48	2.13	0.64	1.59	1.16
DTCWT5	1.04	0.68	2.20	0.86	1.59	2.09