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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 2, Iss. 10 — Oct. 10, 2004
  • pp: 574–577

The improved genetic algorithms for digital image correlation method

Chen Tang, Ming Liu, Haiqing Yan, Guimin Zhang, and Zhanqing Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 2, Issue 10, pp. 574-577 (2004)


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Abstract

We present a global optimization method, called the genetic algorithms (GAs), for digital image/speckle correlation (DISC). The new algorithms do not involve reasonable initial guess of displacement and deformation gradient and the calculation of second-order spatial derivatives of the digital images, which are important challenges in practical implementation of DISC. The performance of a GA depends largely on the selection of the genetic operators. We test various operators and propose optimal operators. The algorithms are then verified using simulated images and experimental speckle images.

© 2005 Chinese Optics Letters

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(110.6150) Imaging systems : Speckle imaging

Citation
Chen Tang, Ming Liu, Haiqing Yan, Guimin Zhang, and Zhanqing Chen, "The improved genetic algorithms for digital image correlation method," Chin. Opt. Lett. 2, 574-577 (2004)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-2-10-574

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