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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 8 — Apr. 21, 2014
  • pp: 9442–9449

Uncertainty propagation algorithm from the radiometric calibration to the restored earth observation radiance

Jia Guorui, Zhao Huijie, and Lei Hao  »View Author Affiliations


Optics Express, Vol. 22, Issue 8, pp. 9442-9449 (2014)
http://dx.doi.org/10.1364/OE.22.009442


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Abstract

The uncertainty of the radiometric calibration affects the accuracy of the earth observation (EO) radiance restored from the remote sensing digital number (DN) data. However, it has not been intensively analyzed whether they are equivalent to each other. The algorithm to deduce the uncertainty of the restored EO radiance in the solar-reflective spectral range (400-2500 nm) along the uncertainty propagation chain in the radiometric calibration process is proposed. It was validated compared with the traditional calibration uncertainty algorithm through an example of calibrating an imaging spectrometer. The interval about the real EO radiance and the corresponding level of confidence was reported as a result, which shows the possibility to accurately expressing the quality of the restored EO radiance following the rules used in the field of metrology.

© 2014 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5630) Instrumentation, measurement, and metrology : Radiometry
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 10, 2013
Revised Manuscript: April 2, 2014
Manuscript Accepted: April 2, 2014
Published: April 11, 2014

Citation
Jia Guorui, Zhao Huijie, and Lei Hao, "Uncertainty propagation algorithm from the radiometric calibration to the restored earth observation radiance," Opt. Express 22, 9442-9449 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-8-9442


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