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Description
  • In comparison with multispectral image data, hyperspectral (HS) imagery with higher spectral reso-lution provides sufficient spectral resolution to describe diagnostic absorption signatures. Specific chemical bonds in materials, whether solid, liquid or gas, determine the surface reflectance and emittance, as variations in material composition often cause shifts in the position and shape of ab-sorption bands in the spectrum. In addition, detecting the exact absorption wavelength position is a key factor not only for mineral identification but also for tracking diverse environmental processes and pathways. A couple of techniques to identify absorption parameters have been suggested, however, they are capable of a quantitative characterization of just one major absorption feature and, due to the techniques they use, limited to the SWIR region. In this paper, new tools are presented allowing automatic detection of multiple absorption feature parameters (absorption maximum wavelengths and depths). The tools employ methods based on a trend analysis of the spectra, while bad bands (e. g., noise, error bands) are detected at first and excluded from further analysis. The tools – e.g. called QUANTools – have been created using IDL programming language and can be used under ENVI/IDL (version 5.0 and higher). As multiple ab-sorption features are detected within the VNIR/SWIR/TIR regions and their wavelength positions, respectively, the newly suggested method has a potential to become a new mapping technique suitable for environments with high heterogeneity and dynamics.
  • In comparison with multispectral image data, hyperspectral (HS) imagery with higher spectral reso-lution provides sufficient spectral resolution to describe diagnostic absorption signatures. Specific chemical bonds in materials, whether solid, liquid or gas, determine the surface reflectance and emittance, as variations in material composition often cause shifts in the position and shape of ab-sorption bands in the spectrum. In addition, detecting the exact absorption wavelength position is a key factor not only for mineral identification but also for tracking diverse environmental processes and pathways. A couple of techniques to identify absorption parameters have been suggested, however, they are capable of a quantitative characterization of just one major absorption feature and, due to the techniques they use, limited to the SWIR region. In this paper, new tools are presented allowing automatic detection of multiple absorption feature parameters (absorption maximum wavelengths and depths). The tools employ methods based on a trend analysis of the spectra, while bad bands (e. g., noise, error bands) are detected at first and excluded from further analysis. The tools – e.g. called QUANTools – have been created using IDL programming language and can be used under ENVI/IDL (version 5.0 and higher). As multiple ab-sorption features are detected within the VNIR/SWIR/TIR regions and their wavelength positions, respectively, the newly suggested method has a potential to become a new mapping technique suitable for environments with high heterogeneity and dynamics. (en)
Title
  • MINERAL MAPPING BASED ON AUTOMATIC DETECTION OF MULTIPLE ABSORPTION FEATURES
  • MINERAL MAPPING BASED ON AUTOMATIC DETECTION OF MULTIPLE ABSORPTION FEATURES (en)
skos:prefLabel
  • MINERAL MAPPING BASED ON AUTOMATIC DETECTION OF MULTIPLE ABSORPTION FEATURES
  • MINERAL MAPPING BASED ON AUTOMATIC DETECTION OF MULTIPLE ABSORPTION FEATURES (en)
skos:notation
  • RIV/00025798:_____/14:00000004!RIV15-GA0-00025798
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA205/09/1989), P(LH13266)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 29433
http://linked.open...ai/riv/idVysledku
  • RIV/00025798:_____/14:00000004
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • imaging spectroscopy, algorithms, data fussion, classification (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [3A41270731E6]
http://linked.open...v/mistoKonaniAkce
  • Varšava
http://linked.open...i/riv/mistoVydani
  • Neuveden
http://linked.open...i/riv/nazevZdroje
  • EARSeL eProceedings Special Issue: 34th EARSeL Symposium, 2014
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Kopačková, Veronika
  • Koucká, Lucie
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
issn
  • 1729-3782
number of pages
http://bibframe.org/vocab/doi
  • 10.12760/02-2014-1-17
http://purl.org/ne...btex#hasPublisher
  • European Association of Remote Sensing Laboratories
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