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Artifact correction and absolute radiometric calibration techniques employed in the Landsat 7 image assessment system

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Abstract

The Landsat-7 Image Assessment System (IAS), part of the Landsat-7 Ground System, will calibrate and evaluate the radiometric and geometric performance of the Enhanced Thematic Mapper Plus (ETM +) instrument. The IAS incorporates new instrument radiometric artifact correction and absolute radiometric calibration techniques which overcome some limitations to calibration accuracy inherent in historical calibration methods. Knowledge of ETM + instrument characteristics gleaned from analysis of archival Thematic Mapper in-flight data and from ETM + prelaunch tests allow the determination and quantification of the sources of instrument artifacts. This a priori knowledge will be utilized in IAS algorithms designed to minimize the effects of the noise sources before calibration, in both ETM + image and calibration data.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Artifact correction and absolute radiometric calibration techniques employed in the Landsat 7 image assessment system
Volume 2
Year Published 1996
Language English
Publisher IEEE
Publisher location Piscataway, NJ, United States
Larger Work Title International Geoscience and Remote Sensing Symposium (IGARSS)
First page 1270
Last page 1272
Conference Title Proceedings of the 1996 International Geoscience and Remote Sensing Symposium, IGARSS'96. Part 1 (of 4)
Conference Location Lincoln, NE, USA
Conference Date 28 May 1996 through 31 May 1996