Landsat TM memory effect characterization and correction
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Abstract
Before radiometric calibration of Landsat Thematic Mapper (TM) data can be done accurately, it is necessary to minimize the effects of artifacts present in the data that originate in the instrument's signal processing path. These artifacts have been observed in downlinked image data since shortly after launch of Landsat 4 and 5. However, no comprehensive work has been done to characterize all the artifacts and develop methods for their correction. In this paper, the most problematic artifact is discussed: memory effect (ME). Characterization of this artifact is presented, including the parameters necessary for its correction. In addition, a correction algorithm is described that removes the artifact from TM imagery. It will be shown that this artifact causes significant radiometry errors, but the effect can be removed in a straightforward manner.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Landsat TM memory effect characterization and correction |
| Series title | Canadian Journal of Remote Sensing |
| DOI | 10.1080/07038992.1997.10855215 |
| Volume | 23 |
| Issue | 4 |
| Year Published | 1997 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 10 p. |
| First page | 299 |
| Last page | 308 |
| Google Analytic Metrics | Metrics page |