Journal of the Optical Society of Korea

  • 제14권1호
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  • Pages.33-37
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  • 2010
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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New Iterative Filter for Fringe Adjustment of Joint Transform Correlator

  • Jeong, Man-Ho (Department of Laser & Optical Information Engineering, Cheongju University)
  • 투고 : 2009.12.17
  • 심사 : 2010.01.25
  • 발행 : 2010.03.25
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초록

The joint transform correlator (JTC) has been the best known technique for pattern recognition and identification. The JTC optically compares the reference image with the sample image then examines match or non-match by acquiring a correlation peak. However, the JTC technique has some problems such as weak correlation discrimination and noise which originates from the interference fringes in the Fourier transform plane. In order to solve these problems, this paper proposes a new technique of modifications of the interference fringes by adopting special iterative filters. Experimental results are presented to show that the proposed technique can successfully improve the correlation peaks and the level of discrimination.

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참고문헌

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피인용 문헌

  1. Binary Nonlinear Joint Transform Correlator with Sinusoidal Iterative Filter in Spectrum Domain vol.14, pp.4, 2010, https://doi.org/10.3807/JOSK.2010.14.4.357
  2. Color Pattern Recognition with Recombined Single Input Channel Joint Transform Correlator vol.15, pp.2, 2011, https://doi.org/10.3807/JOSK.2011.15.2.140
  3. New Random and Additional Phase Adjustment of Joint Transform Correlator vol.14, pp.2, 2010, https://doi.org/10.3807/JOSK.2010.14.2.090
  4. Coded Single Input Channel for Color Pattern Recognition in Joint Transform Correlator vol.15, pp.4, 2011, https://doi.org/10.3807/JOSK.2011.15.4.335