Hierarchical Artificial Bee Colony Optimizer with Divide-and-Conquer and Crossover for Multilevel Threshold Image Segmentation

Table 8

The mean CPU time of the compared population-based methods on Otsu algorithm.

Dim.	Alg.
	HABC	ABC	PSO	CMA-ES	EGA
2D	0.8575	0.7954	0.2126	0.2438	2.4755
3D	0.8956	0.8422	0.2398	0.2876	3.1928
4D	0.8982	0.8607	0.2395	0.3106	4.3953
5D	0.6322	0.8861	0.2677	0.3061	1.1138
7D	1.0136	0.9830	0.2944	0.4403	1.6599
9D	1.0461	0.9201	0.4356	0.4445	2.3235