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Volume 21 Issue 2
Sep.  2013
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Influence of surface scattering of complicated object on holographic interferogram visibility and its process technique

  • 1.

    Department of Physics, Computer Application, Harbin Institute of Technology, Harbin, 150001

  • Received Date: 1995-09-11
    Accepted Date: 1996-12-02
    Fund Project:

  • In general,the surface scattering will influence on the visibility of the holographic interferogram.Some times,the influence is so serious that it is almost not possible to recognize the object displayed in interferogram.As well as a complicated object,the visibility of the holographic interferograms of the printed circuit board have be getting lower by the scattering of the surface and solder joints.This paper presented a fringe detection method in a slide windows to reconstruct the interferogram fringe.With the method,it is possible correctly to decide the location of the solder joints.
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  • [1]

    ~4 Ostrovsky Yu I,Butusov M M,Ostrovskaya G V.Interferometry by holography.Berlin,Heidelberg,New York:Springer-Verlag,1980:230,231,238,239
    [2]

    Weszka J.A survey of threshold selection techniques.Computer Graphics Image Processing,1978;7:259~265
    [3] 大津展之.电子通讯学会论文志,1980;J63-D(4):349
    [4] 战德臣.复杂数字光学图象全自动分析识别的关键技术研究.哈尔滨工业大学博士论文,1993
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Influence of surface scattering of complicated object on holographic interferogram visibility and its process technique

  • 1. Department of Physics, Computer Application, Harbin Institute of Technology, Harbin, 150001
  • Received Date: 1995-09-11
  • Accepted Date: 1996-12-02
  • Available Online: 1997-03-25
Fund Project: 

Abstract: In general,the surface scattering will influence on the visibility of the holographic interferogram.Some times,the influence is so serious that it is almost not possible to recognize the object displayed in interferogram.As well as a complicated object,the visibility of the holographic interferograms of the printed circuit board have be getting lower by the scattering of the surface and solder joints.This paper presented a fringe detection method in a slide windows to reconstruct the interferogram fringe.With the method,it is possible correctly to decide the location of the solder joints.

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