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Remote Sens. 2010, 2(8), 1892-1917; doi:10.3390/rs2081892

Analysis of Properties of Reflectance Reference Targets for Permanent Radiometric Test Sites of High Resolution Airborne Imaging Systems

* ,
Finnish Geodetic Institute, Geodeetinrinne 2, 02430 Masala, Finland
* Author to whom correspondence should be addressed.
Received: 30 June 2010 / Revised: 23 July 2010 / Accepted: 26 July 2010 / Published: 9 August 2010
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Reliable and optimal exploitation of rapidly developing airborne imaging methods requires geometric and radiometric quality assurance of production systems in operational conditions. Permanent test sites are the most promising approach for cost-efficient performance assessment. Optimal construction of permanent radiometric test sites for high resolution airborne imaging systems is an unresolved issue. The objective of this study was to assess the performance of commercially available gravels and painted and unpainted concrete targets for permanent, open-air radiometric test sites under sub-optimal climate conditions in Southern Finland. The reflectance spectrum and reflectance anisotropy and their stability were characterized during the summer of 2009. The management of reflectance anisotropy and stability were shown to be the key issues for better than 5% reflectance accuracy.
Keywords: anisotropy; BRF; calibration; radiometry; validation anisotropy; BRF; calibration; radiometry; validation
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Honkavaara, E.; Hakala, T.; Peltoniemi, J.; Suomalainen, J.; Ahokas, E.; Markelin, L. Analysis of Properties of Reflectance Reference Targets for Permanent Radiometric Test Sites of High Resolution Airborne Imaging Systems. Remote Sens. 2010, 2, 1892-1917.

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