Fuzzy Multilevel Image Thresholding Based on Modified Quick Artificial Bee Colony Algorithm and Local Information Aggregation

Table 5

PSNR metrics of the test images segmented with different threshold.

Image	M	PSNR
		EMO	ABC	MQABC	FDE	FMQABC	FMQABCA
Baboon	2	15.9947	16.0070	16.0070	15.9533	16.2043	18.8793
	3	18.5921	18.5921	18.5921	17.8855	19.1648	19.9228
	4	18.5921	18.5435	18.6718	17.0614	19.8360	20.4195
	5	20.5234	20.5058	20.7193	19.5717	21.0266	21.0405
Lena	2	14.5901	14.5901	14.5901	16.7293	16.6456	18.6328
	3	17.2122	17.1178	17.2328	17.8298	17.8884	19.0366
	4	18.5488	18.3798	18.6011	18.3482	19.3349	20.9990
	5	20.3250	20.2440	20.3360	20.8519	20.9714	22.2737
Aeroplane	2	12.7187	12.7187	12.7187	14.5518	15.3454	16.9651
	3	15.9198	16.1541	16.2681	18.4402	18.3086	20.0782
	4	18.4136	18.6846	18.7095	21.0749	20.6326	21.2494
	5	19.1549	18.6876	21.0436	21.2442	21.1950	21.5475
Swan	2	14.8785	14.8785	14.8785	16.2123	16.3309	17.3657
	3	16.2369	16.2373	16.2407	16.2334	17.3286	23.0785
	4	16.6445	16.6571	16.6953	16.7511	16.9194	23.2771
	5	16.9943	16.9482	17.0144	23.3818	23.7829	24.6911
Ladyhand	2	15.4928	15.4928	15.4928	15.7940	15.8844	16.9998
	3	17.5422	17.5446	17.5744	17.9525	17.9778	20.4394
	4	18.7518	18.7950	18.9135	19.0744	20.5095	21.3241
	5	20.6768	20.7171	20.7392	20.7710	21.7443	22.0850
Starfish	2	14.3952	14.3952	14.3952	17.0598	16.5631	17.3641
	3	16.9727	17.1199	17.1430	17.3605	17.9680	19.4480
	4	18.1811	18.4836	18.5054	18.5546	18.5492	19.7407
	5	20.0649	20.2304	20.3400	21.2142	21.4146	21.8224
Mountain	2	10.8782	10.8782	10.8782	13.2357	15.0018	17.6530
	3	17.4652	17.4652	17.4652	21.6381	21.6748	21.8547
	4	18.0535	18.0726	18.2056	20.1892	20.9634	22.4085
	5	20.6893	20.4889	21.7589	20.3026	20.4539	23.3328
Building	2	14.7242	14.7242	14.7242	12.2905	13.9163	15.3027
	3	16.2205	16.2261	16.2340	18.1586	17.8589	18.6818
	4	17.9914	18.2581	18.3348	17.4129	18.9629	20.3899
	5	18.8962	19.1442	20.8872	18.4646	19.0172	20.9096