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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 4, Iss. 12 — Dec. 10, 2006
  • pp: 697–700

Target detection under sea background using constructed biorthogonal wavelet

Peng Zhang and Jianxun Li  »View Author Affiliations


Chinese Optics Letters, Vol. 4, Issue 12, pp. 697-700 (2006)


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Abstract

A new technique is presented to detect targets under sea background. Focused on interested areas, the spatial and frequency distributions are first studied, then analytic expression of targets is set up by least square method (LSM). According to the shape, frequency, and analytic expression of targets, a matched biorthogonal wavelet is constructed to better enhance targets and eliminate noises. Results show the usefulness of this method for single frame detection (signal to noise ratio SNR>=1.25), which provides a better performance than classic wavelets and morphological filtering.

© 2006 Chinese Optics Letters

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.7410) Image processing : Wavelets
(110.0110) Imaging systems : Imaging systems
(110.2970) Imaging systems : Image detection systems

Citation
Peng Zhang and Jianxun Li, "Target detection under sea background using constructed biorthogonal wavelet," Chin. Opt. Lett. 4, 697-700 (2006)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-4-12-697


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