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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 14, Iss. 1 — Mar. 1, 2010
  • pp: 33–37

New Iterative Filter for Fringe Adjustment of Joint Transform Correlator

Man-Ho Jeong  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 14, Issue 1, pp. 33-37 (2010)


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Abstract

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.

© 2010 Optical Society of Korea

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing

History
Original Manuscript: December 17, 2009
Revised Manuscript: January 11, 2010
Manuscript Accepted: January 25, 2010
Published: March 25, 2010

Citation
Man-Ho Jeong, "New Iterative Filter for Fringe Adjustment of Joint Transform Correlator," J. Opt. Soc. Korea 14, 33-37 (2010)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-14-1-33


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