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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 5 — Feb. 10, 1999
  • pp: 781–787

Modified Morphological Correlation Based on Bit-Map Representations

Amir Shemer, David Mendlovic, Gal Shabtay, Pascuala Garcia-Martinez, and Javier Garcia  »View Author Affiliations


Applied Optics, Vol. 38, Issue 5, pp. 781-787 (1999)
http://dx.doi.org/10.1364/AO.38.000781


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Abstract

Pattern recognition with high discrimination can be achieved with a morphological correlator. A modification of this correlator is carried out by use of a binary slicing process instead of linear thresholding. Although the obtained correlation result is not identical to the conventional morphological correlation, it requires fewer calculations and provides even higher discrimination. Two optical experimental implementations of this modified morphological correlator as well as some experimental results are shown.

© 1999 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.4550) Fourier optics and signal processing : Correlators
(070.4690) Fourier optics and signal processing : Morphological transformations

Citation
Amir Shemer, David Mendlovic, Gal Shabtay, Pascuala Garcia-Martinez, and Javier Garcia, "Modified Morphological Correlation Based on Bit-Map Representations," Appl. Opt. 38, 781-787 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-5-781


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References

  1. A. VanderLugt, Optical Signal Processing (Wiley, New York, 1992).
  2. J. W. Goodman, Introduction to Fourier Optics, 2nd ed. (Mc-Graw Hill, New York, 1996), pp. 237–246.
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  5. P. Garcia-Martinez, D. Mas, J. Garcia, and C. Ferreira, “Nonlinear morphological correlation: optoelectronic implementation,” Appl. Opt. 37, 2112–2118 (1998).
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  8. M. Deutch, J. Garcia, and D. Mendlovic, “Multichannel single-output color pattern recognition using a joint transform correlator,” Appl. Opt. 35, 6976–6982 (1996).

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