Infrared and Visible Image Fusion via Fast Approximate Bilateral Filter and Local Energy Characteristics

Table 3

The qualitative evaluation results of different fusion methods.

Source images	Index	NSCT	lp	CVT	DTCWT	MSVD	TIF	FPDE	VSM-WLS	MGFF	GTF	Proposed
Camp	API	91.09	90.82	91.09	91.08	91.09	90.92	91.59	91.07	91.04	98.06	112.09
	SD	27.11	29.13	26.96	26.28	22.87	29.25	23.13	24.10	32.01	26.86	35.95
	AG	7.80	8.08	7.79	7.47	6.59	7.61	6.15	7.14	8.89	6.08	14.19
	EN	6.55	6.66	6.53	6.48	6.26	6.64	6.29	6.35	6.80	6.67	7.07
Road	API	51.90	52.48	51.90	51.90	51.90	52.34	52.39	51.88	51.86	80.19	84.28
	SD	26.49	31.89	25.40	25.49	21.50	30.35	22.20	22.91	32.49	29.78	41.20
	AG	6.12	6.36	6.10	6.05	5.23	5.82	7.89	5.54	6.45	4.12	10.26
	EN	6.19	6.47	6.17	6.16	5.95	6.41	6.07	6.01	4.94	6.62	7.00
Kaptein_1123	API	82.18	82.18	82.18	82.18	82.10	82.15	82.61	82.10	82.23	84.30	111.02
	SD	36.28	36.28	36.28	36.28	31.62	36.61	31.73	32.24	36.72	38.17	53.51
	AG	6.95	6.95	6.95	6.95	5.83	6.33	5.86	6.51	7.86	4.58	12.04
	EN	6.78	6.78	6.78	6.78	6.55	6.84	6.61	6.63	6.87	6.96	7.34
Meting055	API	127.80	127.64	127.80	127.80	127.80	127.81	128.28	127.82	127.74	130.90	147.91
	SD	24.48	26.39	24.28	24.29	20.30	25.84	21.07	22.53	25.74	20.94	33.53
	AG	10.83	10.90	10.83	10.84	6.88	9.15	9.90	10.49	10.29	10.30	17.66
	EN	6.49	6.57	6.49	6.48	6.32	6.57	6.39	6.42	6.63	6.14	6.92
Steamboat	API	110.92	110.92	110.92	110.91	110.92	110.94	111.42	110.91	110.96	91.73	140.22
	SD	12.65	14.07	12.47	12.32	10.69	13.17	10.78	11.27	14.17	33.95	22.10
	AG	3.85	3.90	3.88	3.78	3.19	3.53	3.10	3.49	4.18	1.89	6.73
	EN	5.16	5.31	5.21	5.14	4.93	5.23	4.97	5.01	5.33	6.44	6.27