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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 32 — Nov. 10, 2009
  • pp: 6159–6171

Monte Carlo simulation of multiple photon scattering in sugar maple tree canopies

Michael A. Greiner, Bradley D. Duncan, and Matthew P. Dierking  »View Author Affiliations


Applied Optics, Vol. 48, Issue 32, pp. 6159-6171 (2009)
http://dx.doi.org/10.1364/AO.48.006159


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Abstract

Detecting objects hidden beneath forest canopies is a difficult task for optical remote sensing systems. Rather than relying upon the existence of gaps between leaves, as other researchers have done, our ultimate goal is to use light scattered by leaves to image through dense foliage. Herein we describe the development of a Monte Carlo model for simulating the scattering of light as it propagates through the leaves of an extended tree canopy. We measured several parameters, including the gap fraction and maximum leaf-area density, of a nearby sugar maple tree grove and applied them to our model. We report the results of our simulation in both the ground and the receiver planes for an assumed illumination angle of 80 ° . To validate our model, we then illuminated the sugar maple tree grove at 80 ° and collected data both on the canopy floor and at our monostatic receiver aperture. Experimental results were found to correlate well with our simulated expectations.

© 2009 Optical Society of America

OCIS Codes
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(290.1483) Scattering : BSDF, BRDF, and BTDF

ToC Category:
Scattering

History
Original Manuscript: August 7, 2009
Revised Manuscript: October 13, 2009
Manuscript Accepted: October 14, 2009
Published: November 2, 2009

Citation
Michael A. Greiner, Bradley D. Duncan, and Matthew P. Dierking, "Monte Carlo simulation of multiple photon scattering in sugar maple tree canopies," Appl. Opt. 48, 6159-6171 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-32-6159


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