Multilevel Thresholding Segmentation Based on Harmony Search Optimization

Table 1

Levels of the factors used for the factorial design method.

HSA parameters (Factors)	(−) Level	Central point	(+) Level
HM	50	100	200
HMCR	0.5	0.75	0.9
PAR	0.1	0.5	0.9
BW	0.1	0.3	0.5
NI	200	250	300