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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 27 — Sep. 20, 2000
  • pp: 5001–5005

Bandpass-resampling effects on the retrieval of radiance and surface reflectance

Rudolf Richter  »View Author Affiliations


Applied Optics, Vol. 39, Issue 27, pp. 5001-5005 (2000)
http://dx.doi.org/10.1364/AO.39.005001


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Abstract

Radiative transfer models are often employed to derive the surface reflectance for Earth-looking multispectral scanners or imaging spectrometers. For this purpose the calculated radiances have to be resampled with the spectral channel response functions of the instrument. Three methods of bandpass resampling the product terms of the radiative transfer equation are compared: the exact method and two commonly used approximations. Error budgets for the two approximate methods are given for typical multispectral and hyperspectral sensors. The error depends on the wavelength, bandwidth, atmospheric parameters, and atmospheric path length.

© 2000 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(280.0280) Remote sensing and sensors : Remote sensing and sensors

History
Original Manuscript: November 19, 1999
Revised Manuscript: June 27, 2000
Published: September 20, 2000

Citation
Rudolf Richter, "Bandpass-resampling effects on the retrieval of radiance and surface reflectance," Appl. Opt. 39, 5001-5005 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-27-5001

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