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Browsing Logistics and quantitative methods by Subject "Remote sensing"

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  • Debba, Pravesh (IEEE, 2009-07)
    This paper evaluates a spectral unmixing method for estimating the partial abundance of spectrally similar minerals in complex mixtures. The method requires formulation of a linear function of individual spectra of individual ...
  • Dudeni, N; Debba, Pravesh (2008-10)
    For this research, the researchers examine various existing image classification algorithms with the aim of demonstrating how these algorithms can be applied to remote sensing images. These algorithms are broadly divided ...
  • Debba, Pravesh (InTech - Open Access Publisher/Sciyo, 2010-10)
    This chapter discusses the methodology of using simulated annealing in deriving optimal sampling schemes to target a specific mineral, for example, alunite.
  • Debba, Pravesh; Cho, Moses A; Mathieu, Renaud SA (IEEE, 2009-08)
    This paper uses simulated annealing and focus on the spectral angle mapper (SAM), to demonstrate how the separability of two mean spectra from different species can be increased by choosing the bands that maximize the ...
  • Debba, Pravesh (2012-07)
    The presentation made to Wits Statistics Department was on common classification methods used in the field of remote sensing, and the use of remote sensing to design optimal sampling schemes for field visits with applications ...
  • Debba, Pravesh; Carranza, EJM; Stein, A; Van der Meer, FD (IEEE, 2009-07)
    The paper describes a novice method for sampling geochemicals to characterize mine tailings. The author’s model the spatial relationships between a multi-element signature and, as covariates, abundance estimates of secondary ...
  • Majeke, B; Cho, Moses A; Debba, Pravesh; Mathieu, Renaud SA; Ramoelo, Abel (2009-03)
    The management of the Kruger National Park, South Africa has expressed the need to find cost-effective and rapid means to assess species diversity in the park. Remote sensing is viewed as a cost-effective alternative to ...
  • Dudeni, N; Debba, Pravesh; Cho, Moses A; Mathieu, Renaud SA (IEEE, 2009-08)
    In vegetation spectroscopy, compositional information of leaves contained at band level or across the electromagnetic spectrum (EMS) and parts thereof, plays a huge rule in the analysis of spectra and their relations to ...
  • Debba, Pravesh (CSIR, 2008-09)
    Statistics is the science pertaining to the collection, summary, analysis, interpretation and presentation of data. Some of the key questions in environmental studies are: where to sample, what to sample and how many ...
  • Debba, Pravesh; Cho, Moses A; Mathieu, Renaud SA (IEEE, 2009-07)
    In this paper, a comparison is made through evaluating the within and between-class species variability for the original, the first derivative and second derivative spectra. For each, the experiment was conducted (i) over ...

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