期刊
NEUROCOMPUTING
卷 240, 期 -, 页码 152-174出版社
ELSEVIER
DOI: 10.1016/j.neucom.2017.02.040
关键词
Firefly algorithm; Multilevel image segmentation; Color image; Swarm intelligence algorithm
资金
- National Nature Science Foundation of China [51204077]
- Nature Science Foundation of Kunming University of Science and Technology [2014-9-x-8]
In this paper, a modified firefly algorithm (MFA) is proposed to find the optimal multilevel threshold values for color image. Kapur's entropy, minimum cross entropy and between-class variance method is used as the objective functions. To test and analyze the performance of the MFA algorithm, the presented method are tested on ten test color image and the results are compared with basic firefly algorithm (FA), Brownian search based firefly algorithm (BFA) and Levy search based firefly algorithm (LFA). The experimental results show that the presented MFA algorithm outperforms all the other algorithms in term of the optimal threshold value, objective function, PSNR, SSIM value and convergence. In MFA algorithm, chaotic map is used to the initialization of firefly population, which can enhance the diversification. In addition, global search method of particle swarm optimization (PSO) algorithm is introduced into the movement phase of fireflies. Compared with the other methods, the MFA algorithm is an effective method for multilevel color image thresholding segmentation. (C) 2017 Elsevier B.V. All rights reserved.
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