Accuracy of the spectral and radiometric laboratory calibration of the Airborne Visible/Infrared Imaging Spectrometer

Thomas G. Chrien; Robert O. Green; Michael L. Eastwood

doi:10.1117/12.21334

1 September 1990 Accuracy of the spectral and radiometric laboratory calibration of the Airborne Visible/Infrared Imaging Spectrometer

Thomas G. Chrien, Robert O. Green, Michael L. Eastwood

Author Affiliations +

Proceedings Volume 1298, Imaging Spectroscopy of the Terrestrial Environment; (1990) https://doi.org/10.1117/12.21334
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

The laboratory procedures, algorithms, measurements, and uncertainties associated with generation of the spectral and radiometric calibration of data acquired by AVIRIS are described. AVIRIS is an airborne sensor that obtains high-spatial-resolution image data of the earth in 224 spectral channels in four spectrometers covering the range from 400 to 2450 nm. The spectral calibration of AVIRIS agrees with the in-flight data to within two nanometers, and the absolute radiometric calibration is consistent with the in-flight verification to 10 percent over the spectral range. In-flight radiometric stability as measured by five consecutive passes over the surface calibration site is reported to be between three and five percent.

Citation Download Citation

Thomas G. Chrien, Robert O. Green, and Michael L. Eastwood "Accuracy of the spectral and radiometric laboratory calibration of the Airborne Visible/Infrared Imaging Spectrometer", Proc. SPIE 1298, Imaging Spectroscopy of the Terrestrial Environment, (1 September 1990); https://doi.org/10.1117/12.21334

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