Artificial Bee Colony Optimizer with Bee-to-Bee Communication and Multipopulation Coevolution for Multilevel Threshold Image Segmentation

Figure 6

The median convergence results of classical test functions.

(a) Sphere function

(b) Rosenbrock function

(c) Quadric function

(d) Sin problem function

(e) Rastrigin function

(f) Schwefel function

(g) Ackley function

(h) Griewank function