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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 6 — Feb. 20, 2004
  • pp: 1416–1424

Airborne lidar imaging of salmon

James H. Churnside and James J. Wilson  »View Author Affiliations


Applied Optics, Vol. 43, Issue 6, pp. 1416-1424 (2004)
http://dx.doi.org/10.1364/AO.43.001416


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Abstract

Lidar images of adult salmon are presented. The lidar system is built around a pulsed green laser and a gated intensified CCD camera. The camera gating is timed to collect light scattered from the turbid water below the fish to produce shadows in the images. Image processing increases the estimated contrast-to-noise ratio from 3.4 in the original image to 16.4 by means of a matched filter.

© 2004 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(100.2980) Image processing : Image enhancement
(110.7050) Imaging systems : Turbid media
(280.3640) Remote sensing and sensors : Lidar

History
Original Manuscript: June 2, 2003
Revised Manuscript: October 14, 2003
Published: February 20, 2004

Citation
James H. Churnside and James J. Wilson, "Airborne lidar imaging of salmon," Appl. Opt. 43, 1416-1424 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-6-1416

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