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TM Digital Image Products for ApplicationsLANDSAT-4 Thematic Mapper (TM) digital image products recorded onto computer compatible tapes (CCTs), which were available for internal research purposes prior to August, 1983, are reviewed. The SCROUNGE image processing system at Goddard Space Flight Centr generated in tape formats: (1) raw band-sequential data (CCT-BT), generally used for internal transportation of digital data from one ground processing system to another; (2) calibrated data (CCT-AT), useful for reseachers doing radiometric characterization; and (3) geometrically resampled data (CCT-PT), the final product. The formats represent different steps in the process of producing fully-corrected TM data. The CCT-BT images are re-sequenced from telemetry format to image format, but are uncorrected radiometrically and geometrically. The CCT-AT images had data from two faulty data channels replaced and all data radiometrically calibrated. The CCT-PT images were resampled by cubic convolution procedures to provide a geometrically corrected image using satellite ephemeris and altitude data and scan-mirror correction data. The final product, the CCT-PT, is the one to which all of the radiometric and geometric corrections were applied.
Document ID
19840022302
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Barker, J. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gunther, F. J.
(Computer Sciences Corp. Silver Spring, Md., United States)
Abrams, R. B.
(Computer Sciences Corp. Silver Spring, Md., United States)
Ball, D. L.
(Computer Sciences Corp. Silver Spring, Md., United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: LANDSAT-4 Sci. Invest. Summ., Including Dec. 1983 Workshop Results, Vol. 1
Subject Category
Earth Resources And Remote Sensing
Accession Number
84N30371
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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