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

Table 6

Performance comparison of the PCB images with RMSE.

Method	Sequence 1			Sequence 2		Sequence 3
	Part 1	Part 2	Part 3	Part 1	Part 2	Part 1	Part 2
GRAD	6.20	7.17	6.84	5.20	3.34	6.87	6.15
MOP	4.96	10.5	9.13	7.71	3.73	8.93	10.42
RAT	4.65	3.32	4.35	2.66	0.24	3.69	2.72
LAP	4.10	5.89	5.64	3.29	1.91	4.79	4.78
DWT	3.16	6.06	5.66	3.52	1.74	4.84	5.66
DTCWT1	2.18	4.63	2.72	2.32	0.94	4.35	4.54
DTCWT2	0.80	3.95	2.91	1.96	0.84	2.96	3.87
DTCWT3	0.61	3.48	2.09	1.06	0.65	2.57	2.96
DTCWT4	0.60	3.57	2.82	0.69	0.79	0.24	7.21
DTCWT5	1.25	5.33	4.20	2.84	0.74	0.19	4.32