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Multispectral combination and display of ERTS-1 dataStandard NASA color composites combine the most relevant 3 bands from the 4 MSS bands available. An alternate approach is to extract the principal components of the data by a linear transformation of the 4 bands. This approach leads to a low dimensionality representation of ERTS-1 data with the least degradation, in the mean square sense, of the radiometric accuracy. The technique has been applied with success to ERTS-1 MSS data for several geographic areas in California. For all examples considered the mean square representation error is less than one percent. By combining this dimensionality reduction which our previous results on image enhancement for visual display, color composites are obtained which contain and display most of the information provided by the ERTS-1 sensors.
Document ID
19740022703
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Algazi, V. R.
(California Univ. Davis, CA, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. B
Subject Category
Geophysics
Report/Patent Number
PAPER-I2
Accession Number
74N30816
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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