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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 16, Iss. 15 — Aug. 1, 1991
  • pp: 1186–1188

Normalized correlation for pattern recognition

Fred M. Dickey and Louis A. Romero  »View Author Affiliations


Optics Letters, Vol. 16, Issue 15, pp. 1186-1188 (1991)
http://dx.doi.org/10.1364/OL.16.001186


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Abstract

The normalization of the correlation filter response effects intensity invariance. We discuss the implications of a normalization based on the Cauchy–Schwarz inequality for the discrimination problem. It is shown that normalized phase-only and synthetic discriminant functions do not provide the discrimination/recognition obtained with the classical matched filter.

© 1991 Optical Society of America

History
Original Manuscript: April 16, 1991
Published: August 1, 1991

Citation
Fred M. Dickey and Louis A. Romero, "Normalized correlation for pattern recognition," Opt. Lett. 16, 1186-1188 (1991)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-16-15-1186


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References

  1. D. L. Flannery, J. L. Horner, Proc. IEEE 77, 1511 (1989). [CrossRef]
  2. F. M. Dickey, B. V. K. V. Kumar, L. A. Romero, J. M. Connelly, Opt. Eng. 29, 994 (1990). [CrossRef]
  3. B. V. K. V. Kumar, L. Hassebrook, Appl. Opt. 29, 2997 (1990). [CrossRef] [PubMed]
  4. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968), Chap. 7, p. 179.
  5. N. Bleistein, R. A. Handelsman, Asymptotic Expansion of Integrals (Dover, New York, 1986), Chap. 3, p. 80.
  6. Z. Bahri, B. V. K. V. Kumar, J. Opt. Soc. Am. A 5, 562 (1988). [CrossRef]

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