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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 28 — Oct. 1, 2010
  • pp: 5236–5244

Crosswind sensing from optical-turbulence-induced fluctuations measured by a video camera

Omer Porat and Joseph Shapira  »View Author Affiliations


Applied Optics, Vol. 49, Issue 28, pp. 5236-5244 (2010)
http://dx.doi.org/10.1364/AO.49.005236


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Abstract

We present a novel method for remote sensing of crosswind using a passive imaging device, such as a video recorder. The method is based on spatial and temporal correlations of the intensity fluctuations of a naturally illuminated scene induced by atmospheric turbulence. Adaptable spatial filtering, taking into account variations of the dominant spatial scales of the turbulence (due to changes in meteorological conditions, such as turbulence strength, or imaging device performance, such as frame rate or spatial resolution), is incorporated into this method. Experimental comparison with independent wind measurement using anemometers shows good agreement.

© 2010 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3920) Atmospheric and oceanic optics : Meteorology
(110.0115) Imaging systems : Imaging through turbulent media
(280.4991) Remote sensing and sensors : Passive remote sensing
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: May 20, 2010
Revised Manuscript: July 26, 2010
Manuscript Accepted: July 26, 2010
Published: September 22, 2010

Citation
Omer Porat and Joseph Shapira, "Crosswind sensing from optical-turbulence-induced fluctuations measured by a video camera," Appl. Opt. 49, 5236-5244 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-28-5236

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