The Scientific World Journal / 2014 / Article / Tab 3 / Research Article
Improved Bat Algorithm Applied to Multilevel Image Thresholding Table 3 Comparison of the mean values and standard deviations obtained for the PSO, DE, CS, FA, BA, and IBA based on Kapur’s entropy criterion for six test images over 50 runs.
Alg.
Barbara Living room Boats Goldhill Lake Aerial Mean values St. Dev. Mean values St. Dev. Mean values St. Dev. Mean values St. Dev. Mean values St. Dev. Mean values St. Dev. PSO 2 12.668336540
12.405792709
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552015642
15.820679619
15.607747002
15.566286745
15.751881495
4 18.549612938
18.467328310
18.640100415
18.414173744
18.357505953
18.615899102
5 21.241857967
21.131564234
21.392020144
21.099092699
21.015922726
21.192396874
DE 2 12.668336540
12.405985592
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552578874
15.820902860
15.607743578
15.566286745
15.751881495
4 18.556749938
18.470970822
18.655660844
18.603017275
18.365579671
18.615769177
5 21.245566656
21.149062508
21.401458219
21.409946039
21.024780111
21.210411012
CS 2 12.668336540
12.405985592
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552622213
15.820902860
15.607747002
15.566286745
15.751881495
4 18.556786861
18.471055578
18.655733570
18.414197322
18.365636309
18.615899102
5 21.245645311
21.149400604
21.401608305
21.099125539
21.024962923
21.210455499
FA 2 12.668336540
12.405985592
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552622213
15.820902860
15.607747002
15.566286745
15.751881495
4 18.556786861
18.471014902
18.655723798
18.414213765
18.365636309
18.615899102
5 21.245645311
21.149483979
21.401583877
21.099138996
21.024982760
21.210455499
BA 2 12.668336540
12.405885825
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552622213
15.820902860
15.607747002
15.566286745
15.751881495
4 18.555593147
18.469796068
18.644796771
18.414213765
18.356346829
18.615899102
5 21.245645311
21.133082528
21.399205241
21.099138996
21.024982760
21.210452617
IBA 2 12.668336540
12.405985592
12.574798244
12.546393623
12.520359742
12.538208248
3 15.747087798
15.552622213
15.820902860
15.607747002
15.566286745
15.751881495
4 18.556786861
18.471055578
18.655733570
18.414213765
18.365636309
18.615899102
5 21.245645311
21.150302316
21.401608305
21.099138996
21.024982760
21.210455499