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

Table 3

Performance comparison of the standard images with PSNR.

Method	Images
	Pep.	Cou.	Air.	Bal.	Lena	Flo.
GRAD	27.77	30.60	28.63	29.15	29.27	27.13
MOP	29.07	30.55	28.16	29.86	30.85	28.22
RAT	28.14	28.80	26.69	30.35	28.82	27.20
LAP	41.78	46.34	37.21	44.03	39.62	38.74
DWT	41.09	45.28	34.87	42.14	38.94	34.24
DTCWT1	45.62	51.64	37.29	45.42	40.65	35.49
DTCWT2	46.41	52.13	35.96	45.16	40.32	35.03
DTCWT3	46.45	52.07	36.04	45.19	40.32	34.90
DTCWT4	46.36	51.75	35.83	45.17	40.05	34.79
DTCWT5	45.02	47.93	34.94	43.54	38.86	34.14