The Importance And Atteinment Of Accurate Absolute Radiometric Calibration

Philip N. Slater

doi:10.1117/12.966239

16 October 1984 The Importance And Atteinment Of Accurate Absolute Radiometric Calibration

Philip N. Slater

Proceedings Volume 0475, Remote Sensing: Critical Review of Technology; (1984) https://doi.org/10.1117/12.966239
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

The importance of accurate absolute radiometric calibration is discussed by reference to the needs of those wishing to validate or use models describing the interaction of electromagnetic radiation with the atmosphere and earth surface features. The in-flight calibration methods used for the Landsat Thematic Mapper (TM) and the Systeme Probatoire d'Observation de la Terre, Haute Resolution Visible (SPOT/HRV) systems are described and their limitations discussed. The questionable stability of in-flight absolute calibration methods suggests the use of a radiative transfer program to predict the apparent radiance, at the entrance pupil of the sensor, of a ground site of measured reflectance imaged through a well characterized atmosphere. The uncertainties of such a method are discussed.

Citation Download Citation

Philip N. Slater "The Importance And Atteinment Of Accurate Absolute Radiometric Calibration", Proc. SPIE 0475, Remote Sensing: Critical Review of Technology, (16 October 1984); https://doi.org/10.1117/12.966239

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