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Applied Optics

Applied Optics


  • Vol. 38, Iss. 11 — Apr. 10, 1999
  • pp: 2182–2188

Morphologically preprocessed joint transform correlation

Shuqun Zhang and Mohammad A. Karim  »View Author Affiliations

Applied Optics, Vol. 38, Issue 11, pp. 2182-2188 (1999)

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A morphologically preprocessed joint transform correlation is proposed that combines the techniques of morphological filtering and joint transform correlation. We improve on the performance of a joint transform correlator by eliminating noise with morphological preprocessing and by performing edge detection of input images. Computer simulation results show that the corresponding system contributes to a better discrimination capability than gradient operator-based and wavelet-based preprocessed joint transform correlation.

© 1999 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(070.4560) Fourier optics and signal processing : Data processing by optical means
(070.4690) Fourier optics and signal processing : Morphological transformations
(100.3010) Image processing : Image reconstruction techniques
(100.5010) Image processing : Pattern recognition
(100.7410) Image processing : Wavelets

Original Manuscript: May 13, 1998
Revised Manuscript: October 5, 1998
Published: April 10, 1999

Shuqun Zhang and Mohammad A. Karim, "Morphologically preprocessed joint transform correlation," Appl. Opt. 38, 2182-2188 (1999)

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