![]() ![]() On Information Extraction Principles for Hyperspectral Data This is a white paper that begins by providing a general background to multispectral data. Information on how its various algorithms may best be applied to actually analyze a data set are discussed in documents entitled, 1. This document focuses on MultiSpec, itself, and how its various options may be invoked. Further, a "familiarity reading" of Section IV will be very useful, as there are many additional features and capabilities described in it which do not occur in the earlier sections. Though attempts have been made to make use of the program as intuitive as possible, it is recommended that the new user read and follow through the steps of Sections II and III before attempting the analysis of new data. Section IV describes the function of each of the items on each of the menus it is intended for use as a point of reference after one has learned to use the basic system capabilities. Section III illustrates a number of additional system capabilities and their use in the context of multispectral image data analysis, but with a less detailed set of instructions on how to invoke them. It is intended as a first contact with MultiSpec. Section II provides a brief tutorial in the use of only the most basic of system capabilities, with program command steps described in a quite detailed fashion. ![]() There are three major sections to this document following a brief background in Section I. Current information, such as the availability of new updates to MultiSpec and a substantial amount of additional documentation on its use is available from the World Wide Web at URL: Questions or comments regarding MultiSpec may be directed to: Larry Biehl ITaP / RCAC / Scientific Solutions Purdue University West Lafayette, Indiana USA MultiSpec and this document are copyrighted by Purdue Research Foundation West Lafayette, Indiana Permission is hereby granted to reproduce this document for any non-commercial purpose.ΔΆ Introduction to MULTISPEC How to use this document. The tutorial in section II requires a copy of the Thematic Mapper data set labeled TipJul1.tif (or TipJul1.lan). The system presumes access to a Macintosh or a PC-Windows machine with a color display. The primary purpose of the system is to make new algorithms resulting from our research into hyperspectral data analysis conveniently available for others to try, although it has found additional uses in other circumstances, such as university and K-12 education, and in the government and commercial sectors. MultiSpec is intended for the analysis of multispectral image data, such as that from the Landsat series of Earth observational satellites or hyperspectral data such as from AVIRIS, MODIS, Hyperion, and other systems which contain many bands. 1 An Introduction & Reference For MultiSpec Version Program Concept and Introduction Notes by David Landgrebe and Larry Biehl MultiSpec Programming by Larry Biehl School of Electrical and Computer Engineering Purdue University MultiSpec is a data analysis software system implemented for Macintosh and Windows computers. ![]()
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