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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 1, Iss. 12 — Dec. 20, 2003
  • pp: 705–707

Edge enhancement by using two-wave mixing and its application to pattern recognition

Huayong Ge, Qiushi Ren, Baohua Wang, Wanrong Li, and Haiying Cheng  »View Author Affiliations


Chinese Optics Letters, Vol. 1, Issue 12, pp. 705-707 (2003)


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Abstract

Coupling theory is employed to analyze coupling gain and a new optical system is proposed for image edge enhancement, in which the ordinarily discarded background light is recycled as a pump source to amplify the signal light. We demonstrate the principle of optical correlation and compare the discrimination capability of two kinds of correlators by computer simulation. The results show that edge enhancement preprocessing can improve discrimination capability effectively.

© 2005 Chinese Optics Letters

OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(070.4550) Fourier optics and signal processing : Correlators

Citation
Huayong Ge, Qiushi Ren, Baohua Wang, Wanrong Li, and Haiying Cheng, "Edge enhancement by using two-wave mixing and its application to pattern recognition," Chin. Opt. Lett. 1, 705-707 (2003)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-1-12-705

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