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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 5 — Feb. 10, 1995
  • pp: 886–896

Binary nonlinear joint transform correlator performance with different thresholding methods under unknown illumination conditions

Bahram Javidi, Jian Li, Amir H. Fazlollahi, and Joseph Horner  »View Author Affiliations


Applied Optics, Vol. 34, Issue 5, pp. 886-896 (1995)
http://dx.doi.org/10.1364/AO.34.000886


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Abstract

The correlation performance of binary joint transform correlators with unknown input-image light illumination is investigated for different thresholding methods used in the Fourier plane. It is shown that a binary joint transform correlator that uses a spatial frequency dependent threshold function for binarization of the joint power spectrum is invariant to uniform input-image illumination. Computer simulations and optical experimental results are provided.

© 1995 Optical Society of America

History
Original Manuscript: May 18, 1994
Revised Manuscript: September 12, 1994
Published: February 10, 1995

Citation
Bahram Javidi, Jian Li, Amir H. Fazlollahi, and Joseph Horner, "Binary nonlinear joint transform correlator performance with different thresholding methods under unknown illumination conditions," Appl. Opt. 34, 886-896 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-5-886

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