Journal of Applied Mathematics

Research Article

Multilevel Thresholding Segmentation Based on Harmony Search Optimization

Table 17

Comparison between HSMA GA, PSO, and BF, applied over selected test images using Kapur’s method.


Image		HSMA			GA			PSO			BF
Image		PSNR	STD	Mean	PSNR	STD	Mean	PSNR	STD	Mean	PSNR	STD	Mean

Camera man	2	13.626		17.584	11.941	0.1270	15.341	12.259	0.1001	16.071	12.264	0.0041	16.768
	3	14.460		22.007	14.827	0.2136	20.600	15.211	0.1107	21.125	15.250	0.0075	21.498
	4	20.153		26.586	17.166	0.2857	24.267	18.000	0.2005	25.050	18.406	0.0081	25.093
	5	20.661		30.553	19.795	0.3528	28.326	20.963	0.2734	28.365	21.211	0.0741	30.026

Lena	2	14.638		17.809	12.334	0.0049	16.122	12.345	0.0033	16.916	12.345		16.605
	3	16.218		22.306	14.995	0.1100	20.920	15.133	0.0390	20.468	15.133	0.0061	20.812
	4	19.287		26.619	17.089	0.2594	23.569	17.838	0.1810	24.449	17.089	0.0081	26.214
	5	21.047		30.485	19.549	0.3043	27.213	20.442	0.2181	27.526	19.549	0.0502	28.046

Baboon	2	16.016		17.625	12.184	0.0567	16.425	12.213	0.0077	16.811	12.216		16.889
	3	16.016		22.117	14.745	0.1580	21.069	15.008	0.0816	21.088	15.211	0.0287	21.630
	4	18.485		26.671	16.935	0.1765	25.489	17.574	0.0853	24.375	17.999	0.0336	25.446
	5	20.507		30.800	19.662	0.2775	29.601	20.224	0.1899	30.994	20.720	0.1065	30.887

Hunter	2	15.206		17.856	12.349	0.0148	16.150	12.370	0.0068	15.580	12.373	0.0033	16.795
	3	18.500		22.525	14.838	0.1741	21.026	15.128	0.0936	20.639	15.553	0.1155	21.860
	4	21.065		26.728	17.218	0.2192	25.509	18.040	0.1560	27.085	18.381	0.0055	26.230
	5	21.086		30.612	19.563	0.3466	29.042	20.533	0.2720	29.013	21.256	0.0028	28.856

Butterfly	2	8.1930		16.791	10.470	0.0872	15.481	10.474	0.0025	14.098	10.474	0.0014	15.784
	3	13.415		21.417	11.628	0.2021	20.042	12.313	0.1880	19.340	12.754	0.0118	21.308
	4	16.725		25.292	13.314	0.2596	23.980	14.231	0.2473	25.190	14.877	0.0166	25.963
	5	19.413		28.664	15.756	0.3977	27.411	16.337	0.2821	27.004	16.828	0.0877	27.980