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

Table 2

Performance comparison of the standard images with MI.

Method	Images
	Pep.	Cou.	Air.	Bal.	Lena	Flo.
GRAD	40.16	5.10	35.68	6.41	39.72	6.66
MOP	39.71	4.29	35.36	5.74	40.36	6.03
RAT	46.73	6.24	40.35	7.78	46.41	7.49
LAP	47.12	6.02	42.52	7.65	46.46	7.33
DWT	47.32	6.44	42.36	7.80	46.30	6.69
DTCWT1	49.66	6.98	42.95	8.27	47.46	7.32
DTCWT2	51.09	7.06	42.46	8.42	47.63	7.31
DTCWT3	50.12	7.04	42.06	8.39	47.63	7.68
DTCWT4	51.07	6.98	41.84	8.48	47.86	8.01
DTCWT5	52.11	7.02	44.12	8.50	48.30	7.66

Pep.: Peppers; Cou.: Couple; Air.: Airplane; Bal.: Balloon; Flo.: Flowers. The abbreviations here also apply to Tables 3, 4, and 9.