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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 19 — Oct. 1, 2009
  • pp: 3032–3034

Optical implementation of the complex Gabor-wavelet filter based on the Gaussian chirplet transform approach

Hone-Ene Hwang  »View Author Affiliations


Optics Letters, Vol. 34, Issue 19, pp. 3032-3034 (2009)
http://dx.doi.org/10.1364/OL.34.003032


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Abstract

A 2D complex Gabor-wavelet filter (CGWF) optical architecture based on the proposed Gaussian chirplet transform approach is presented together with its mathematical derivation. Far from the conventional setup schemes in which only the real part of the CGWF (even-symmetrical GWF) can be implemented optically, the proposed optical scheme shows that the real and also the imaginary part of the CGWF (odd-symmetrical GWF) can be achieved. The computer application simulations to the oriented edge feature extraction are given to validate the feasibility of the proposed scheme.

© 2009 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.2000) Image processing : Digital image processing
(200.4740) Optics in computing : Optical processing

ToC Category:
Image Processing

History
Original Manuscript: February 25, 2009
Revised Manuscript: September 4, 2009
Manuscript Accepted: September 4, 2009
Published: September 30, 2009

Citation
Hone-Ene Hwang, "Optical implementation of the complex Gabor-wavelet filter based on the Gaussian chirplet transform approach," Opt. Lett. 34, 3032-3034 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-19-3032


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