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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 2 — Jan. 15, 2003
  • pp: 81–83

Performance parameters for detection in low-flux coherent images

Franois Goudail, Nicolas Roux, and Philippe Refregier  »View Author Affiliations


Optics Letters, Vol. 28, Issue 2, pp. 81-83 (2003)
http://dx.doi.org/10.1364/OL.28.000081


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Abstract

We analyze the optimization of low-flux coherent active imagery systems for target detection. We demonstrate that, unlike the Fisher ratio, the Bhattacharyya distance is an efficient figure of merit when one uses detection algorithms based on the generalized likelihood ratio test for realistic situations when the target and the background mean values are unknown. For example, we show that detection capabilities can be better if the pulse energy is divided into four shots, whereas using more than ten shots does not significantly improve the results.

© 2003 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.4280) Coherence and statistical optics : Noise in imaging systems

Citation
Franois Goudail, Nicolas Roux, and Philippe Refregier, "Performance parameters for detection in low-flux coherent images," Opt. Lett. 28, 81-83 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-2-81


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