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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.
| 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 |
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