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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 5 — Feb. 10, 1999
  • pp: 847–854

Optical implementation of cellular neural networks based on bias and joint correlation

Shuqun Zhang and Mohammad A. Karim  »View Author Affiliations


Applied Optics, Vol. 38, Issue 5, pp. 847-854 (1999)
http://dx.doi.org/10.1364/AO.38.000847


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Abstract

A new bias method for the optical implementation of cellular neural networks is proposed to reduce electronic precalculation and increase processing speed. A multiple-object joint transform correlator is then used to realize the summation of multiple correlations resulting from the bias method. Compared with other optical systems for cellular neural networks, the proposed method offers the advantages of higher processing speed, easy implementation, and robustness. Computer simulations of the optical cellular neural networks for edge detection and corner and horizontal line extraction are also presented.

© 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
(100.5010) Image processing : Pattern recognition
(170.1530) Medical optics and biotechnology : Cell analysis
(200.1130) Optics in computing : Algebraic optical processing
(200.4260) Optics in computing : Neural networks
(200.4690) Optics in computing : Morphological transformations
(200.4700) Optics in computing : Optical neural systems
(200.4860) Optics in computing : Optical vector-matrix systems

History
Original Manuscript: May 13, 1998
Revised Manuscript: October 9, 1998
Published: February 10, 1999

Citation
Shuqun Zhang and Mohammad A. Karim, "Optical implementation of cellular neural networks based on bias and joint correlation," Appl. Opt. 38, 847-854 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-5-847


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