The improved genetic algorithms for digital image correlation method

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.

作 者： 唐晨 劉銘 閆海青 張桂敏 陳湛青   作者單位： 唐晨,劉銘,閆海青,張桂敏(Department of Applied Physics, University of Tianjin, Tianjin 300072)

陳湛青(Department of Mechanical Engineering and Automation, Harbin Institute of Technology, Harbin 150001) 

刊 名： 中國光學快報(英文版)  ISTIC EI 英文刊名： CHINESE OPTICS LETTERS  年，卷(期)： 2004 2(10)  分類號：   關鍵詞：  

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