• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 27Issue 3
May 2014
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Article Contents
ZHANG Xiaochen, GAO Hongli, HUANG Haifeng, GUO Liang, XIAO Shide. Optimization Design of Mathematical Morphology Filter Based on Quantum Genetic Algorithm[J]. Journal of Southwest Jiaotong University, 2014, 27(3): 462-469. doi: 10.3969/j.issn.0258-2724.2014.03.015
Citation: ZHANG Xiaochen, GAO Hongli, HUANG Haifeng, GUO Liang, XIAO Shide. Optimization Design of Mathematical Morphology Filter Based on Quantum Genetic Algorithm[J].Journal of Southwest Jiaotong University, 2014, 27(3): 462-469.doi:10.3969/j.issn.0258-2724.2014.03.015

Optimization Design of Mathematical Morphology Filter Based on Quantum Genetic Algorithm

doi:10.3969/j.issn.0258-2724.2014.03.015
  • Received Date:30 May 2013
  • Publish Date:25 Jun 2014
  • To deal with the structuring element optimization of mathematical morphology filter, an optimization design method of mathematical morphology filter based on quantum genetic algorithm was proposed. The quantum genetic population was initialized according to the characteristic of mathematical morphology structuring element parameters. The population evolution was realized by quantum crossover, variation and quantum rotation gate based on expansion coefficient, thus obtaining the best parameters of the mathematical morphology filter. The performances of optimization algorithm under different proportions of random noise and power frequency interference noise were studied. The simulation results show that the performance of mathematical morphology filter is greatly improved after being optimized. The signal-to-noise ratio of the signal with random noise is improved from -0.98 dB to 5.23 dB, and that of the signal with mixed noise is improved from -3.05 dB to 0.41 dB. It means that the optimized mathematical morphology filter could remove both random noise and mixed noise with power frequency interference effectively.

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