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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 9 — Mar. 20, 2010
  • pp: 1518–1527

Mixed segmentation–detection-based technique for point target detection in nonhomogeneous sky

Emilie Vasquez, Frédéric Galland, Guillaume Delyon, and Philippe Réfrégier  »View Author Affiliations

Applied Optics, Vol. 49, Issue 9, pp. 1518-1527 (2010)

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This paper deals with point target detection in infrared images of the sky for which there are local variations of the gray level mean value. We show that considering a simple image model with the gray level mean value varying as a linear or a quadratic function of the pixel coordinates can improve mixed segmentation–detection performance in comparison to homogeneous model-based approaches.

© 2010 Optical Society of America

OCIS Codes
(040.1880) Detectors : Detection
(110.3080) Imaging systems : Infrared imaging

ToC Category:

Original Manuscript: November 11, 2009
Manuscript Accepted: January 3, 2010
Published: March 10, 2010

Emilie Vasquez, Frédéric Galland, Guillaume Delyon, and Philippe Réfrégier, "Mixed segmentation-detection-based technique for point target detection in nonhomogeneous sky," Appl. Opt. 49, 1518-1527 (2010)

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