Multilevel Image Segmentation Based on an Improved Firefly Algorithm

Table 2

Parameters of DPSO, HDE, and FA.

DPSO		HDE		FA
Population size	15	Population size	50	Number of fireflies	50
Maximum number of iterations	100	Maximum number of iterations	100	Maximum number of iterations	100
Cognitive coefficient	1.5	Triangular distribution for scaling factor	[0.3 0.4 0.5]	Light absorption coefficient	1
Velocities range	[−2, 2]	Triangular distribution for crossover rate	[0.2 0.5 1.0]	Initial attractiveness	1
Initial weight	1.2	Lineal recombination factor	0.75
Max. population size	30	Refreshment size	20
Min. population size	5	Cumulative number of success	15
Number of swarms	4	Probability to run a local search procedure	0.001
Maximum swarms	6
Minimum swarms	2
Stagnancy	10