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Principal components colour display of ERTS imageryIn the technique presented, colours are not derived from single bands, but rather from independent linear combinations of the bands. Using a simple model of the processing done by the visual system, three informationally independent linear combinations of the four ERTS bands are mapped onto the three visual colour dimensions of brightness, redness-greenness and blueness-yellowness. The technique permits user-specific transformations which enhance particular features, but this is not usually needed, since a single transformation provides a picture which conveys much of the information implicit in the ERTS data. Examples of experimental vector images with matched individual band images are shown.
Document ID
19740022713
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Taylor, M. M.
(Defence and Civil Inst. of Environmental Medicine Downsview Ontario, Canada)
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
Instrumentation And Photography
Report/Patent Number
PAPER-I12
Accession Number
74N30826
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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