Operational MTF for Landsat Thematic Mapper

Robert Schowengerdt; Charnchai Archwamety; Robert C. Wrigley

doi:10.1117/12.948812

2 July 1985 Operational MTF for Landsat Thematic Mapper

Robert Schowengerdt, Charnchai Archwamety, Robert C. Wrigley

Proceedings Volume 0549, Image Quality: An Overview; (1985) https://doi.org/10.1117/12.948812
Event: 1985 Technical Symposium East, 1985, Arlington, United States

Abstract

The Landsat Thematic Mapper (TM) represents significant improvements in spatial, spectral, and radiometric resolution over the older Multispectral Scanner System (MSS). For the last three years, NASA has conducted the Landsat Image Data Quality Analysis (LIDQA) program to quantify the performance of the TM on the Landsat-4 and 5 spacecraft. As part of this program, we have performed analysis of the TM imagery to extract the overall system modulation transfer function (MTF). In this paper, we describe the use of the San Mateo Bridge in San Francisco as a target for calculation of the line spread function and MTF. The analysis of two TM scenes, one from 12/31/82 and one from 8/12/83, yielded effective-instantaneous-field-of-views (EIFOVs) of 40.8 meters and 48.6 meters, respectively. These values are compared with the 33.8 meter EIFOV predicted by component modelling of the TM sensor and the differences discussed.

Citation Download Citation

Robert Schowengerdt, Charnchai Archwamety, and Robert C. Wrigley "Operational MTF for Landsat Thematic Mapper", Proc. SPIE 0549, Image Quality: An Overview, (2 July 1985); https://doi.org/10.1117/12.948812

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