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SPECTRALLY COMPARISON BEETWEEN TM 5 & ETM +7 BANDS | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 53, Issue 2, 2012, Pages 454-464 | ||
| Author | ||
| Fouad K. Mashee Al Ramahie | ||
| Abstract | ||
| Landsat-7 Enhanced Thematic Mapper Plus (ETM+) sensor offers several enhancements over the Landsat-5 Thematic Mapper (TM) sensors, including increased spectral information content, improved geodetic accuracy, reduced noise, reliable calibration, and matching scenes were recorded by both, and improved spatial resolution of the thermal band. In this paper, we present some comparisons between Landsat-7 ETM+ and Landsat-5 TM imagery in order to quantify these improvements. Practically, we find that the ETM+ continues the record of TM observations, and, in many respects, substantially improves upon the earlier sensor. Specific improvements include lower spatial noise levels, improved information content, and geodetic accuracy of systematically corrected products to 50–100 m. These improvements are likely benefits for land-cover mapping and change detection applications | ||
| Keywords | ||
| Landsat ETM; ArcGIS application; Statistics methods; ETM | ||
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