Hybrid Artificial Root Foraging Optimizer Based Multilevel Threshold for Image Segmentation

Table 1

Parameters of basic benchmarks and CEC 2005 benchmarks ( is the optimal solution, is the best values of function).

	Functions	Dimensions	Initial range
	Sphere function	20			0
	Rosenbrock function	20			0
	Rastrigrin function	20			0
	Schwefel function	20			0
	Griewank function	20			0
	Shifted Sphere Function	20			−450
	Shifted Rosenbrock’s Function	20			390
	Shifted Schwefel’s Problem	20			−450
	Shifted Rotated Griewank’s Function without Bounds	20	No bounds		−180
	Shifted Rastrigin’s Function	20			−330