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Spectral Library for Various Rocks and Minerals of Salem District: A Comparative Study and Validation with ASTER Data

  • M. Sridhar
  • M. Muthukumar
Chapter
Part of the Springer Earth System Sciences book series (SPRINGEREARTH)

Abstract

Documentation of hyperspectral data of selected rocks and minerals and validation of the measured spectral values with ASTER data are presented in this chapter. Spectral data were generated by using the instrument SVC HR 1024 Spectroradiometer with a wavelength range of 350–2,500 nm. The spectra were compared with USGS and JHU spectral library. Advanced Space-borne Thermal Emission and Reflection Radiometer (ASTER) data acquired in the Visible Near Infra Red (VNIR) and Short Wave Infra Red (SWIR) regions were used to evaluate the spectral discrimination of rocks and minerals. The SAM technique was used to detect the presence of minerals (e.g. Magnesite and Bauxite) in the study area and then the spectral library was validated with the SAM results.

Keywords

Normalize Difference Vegetation Index Spectral Signature Spectral Library Spectral Angle Mapping Bauxite Deposit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Abbreviations

ASTER

Advanced Space-borne Thermal Emission and Reflection Radiometer

SVC

Spectra Vista Corporation

HR

High Resolution

USGS

United States Geological Survey

JHU

John Hawkins University

VNIR

Visible Near Infra Red

SWIR

Short Wave Infra Red

MNF

Minimum Noise Fraction

PPI

Pixel Purity Index

SAM

Spectral Angle Mapper

UV

Ultra Violet

NIR

Near Infra Red

InGaAs

Indium gallium arsenide

TIR

Thermal Infra Red

PCA

Principle Compound Analysis

FLAASH

Fast Line-of-sight Atmospheric Analysis of Spectral Hypercubes

IR

Infra Red

JPL

Jet Propulsion Laboratory

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Centre for Remote SensingBharathidasan UniversityTiruchirappalli-23India
  2. 2.Department of Rural DevelopmentGandhigram Rural Institute Deemed UniversityDindigulIndia

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