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Kai Li, Qingchuan Zhang. Phase extraction from a single speckle fringe pattern guided by frequencies[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(3): 491-498. DOI: 10.6052/0459-1879-2010-3-2008-604
Citation: Kai Li, Qingchuan Zhang. Phase extraction from a single speckle fringe pattern guided by frequencies[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(3): 491-498. DOI: 10.6052/0459-1879-2010-3-2008-604
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Phase extraction from a single speckle fringe pattern guided by frequencies

  • Department of Mechanics, Shanghai University, Shanghai 200444, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China

  • Received Date: October 05, 2008
  • Revised Date: April 14, 2009
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  • A method for automatic phase extraction from a singlespeckle fringe pattern based on the guidance of frequencies is presented.The method uses a windowed Fourier operation to calculate frequencies of afringe pattern, and to demodulate the wrapped phase values of the fringepattern in the guidance of the frequencies. The validity of the proposedmethod is demonstrated by use of some simulated and experimental fringepatterns.
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