NDLI: Mapping surface materials on Mars from Mars Pathfinder spectral images with HYPEREYE

Content Provider	IEEE Xplore Digital Library
Author	Merenyi, E. Farrand, W.H. Tracadas, P.
Copyright Year	2004
Description	Author affiliation: Rice Univ., Houston, TX, USA (Merenyi, E.)
Abstract	A comprehensive mapping of spectral variations is presented for one octant of the SuperPan data set of the Imager for Mars Pathfinder. Both left and right eye images are analyzed, simultaneously utilizing all respective spectral bands for each. We achieve fine discrimination of over 20 surface units using a self-organizing map. Agreements with earlier analyses are very good where comparison is available. In spite of the separate analysis of the left and right eye data, which cover different spectral windows, many classes show similar spatial distribution in both images. The SOM clustering produced a refinement within the unit formerly labeled as "black rock", discovered previously undiscussed units that may be coatings on rocks, and presented some disagreements with existing units. The clustering tools are part of HYPEREYE, a research software developed with NASA/OSSA AISRP support.
Sponsorship	IEEE Comput. Soc. Task Force on Information Technology for Business Application
Starting Page	607
Ending Page	614
File Size	1661756
Page Count	8
File Format	PDF
ISBN	0769521088
DOI	10.1109/ITCC.2004.1286720
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mars Quantization Neurons Lattices Entropy Image analysis Refining Coatings Software tools NASA
Content Type	Text
Resource Type	Article

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