Volume 9 Number 12 (Dec. 2014)
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JCP 2014 Vol.9(12): 2771-2779 ISSN: 1796-203X
doi: 10.4304/jcp.9.12.2771-2779

Multilevel Thresholding Approach Using Modified Bacterial Foraging Optimization

Kezong Tang1, Zuoyong Li2, Jun Wu1, Tong Zhang1
1Information Engineering Institute, Jingdezhen Ceramic Institute, Jingdezhen 333000, China
2Department of Computer Science, Minjiang University, Fujian 350108, China


Abstract—In this work, a multilevel thresholding approach that uses modified bacterial foraging optimization (MBFO) is presented for enhancing the applicability and practicality of optimal thresholding techniques. First, the diversity of solutions is considered during the reproduction step. Each weak bacterium randomly selects a strong bacterium from the healthiest bacteria, attempts to reach a location near the chosen strong bacterium, and maintains the same direction. Particle swarm optimization is subsequently incorporated into each chemotactic step to strengthen the global searching capability and quicken the convergence rate of the bacterial foraging algorithm. Finally, the optimal thresholds are obtained by maximizing the Tsallis thresholding functions using the proposed MBFO algorithm. The performance of the proposed algorithm in solving complex stochastic optimization problems is compared with other popular approaches such as a bacterial foraging algorithm, particle swarm optimization algorithm, and genetic algorithm. Experimental results show that the optimal thresholds produced using MBFO require less computation time. In addition, MBFO method can achieve significantly better segmentation results; the devised algorithm generates more stable results, and the proposed method performs better than the other algorithms in terms of multilevel thresholding.

Index Terms—Image segmentation, thresholding, tsallis entropy, bacterial foraging, particle swarm optimization.

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Cite: Kezong Tang, Zuoyong Li, Jun Wu, Tong Zhang, "Multilevel Thresholding Approach Using Modified Bacterial Foraging Optimization," Journal of Computers vol. 9, no. 12, pp. 2771-2779, 2014.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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