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IGARSS
2009
13 years 5 months ago
Reducing the Dimensionality of Hyperspectral Data using Diffusion Maps
We examine the analysis of hyperspectral data produced by the Hyperspectral Core Imager of AngloGold Ashanti. The dimension of the data is reduced using diffusion maps and the dat...
Luis du Plessis, Steven Damelin, Michael Sears
IGARSS
2009
13 years 5 months ago
The Use of ORFEO ToolBox in the Context of Map Updating
This paper presents experiments with the ORFEO ToolBox (OTB) developed by the CNES in the context of the Brussels project ARMURS about map updating. Depending on the availability ...
Christophe Simler, Charles Beumier, Christine Leig...
IGARSS
2009
13 years 5 months ago
Optimum Sampling Scheme for Characterization of Mine Tailings
The paper describes a novice method for sampling geochemicals to characterize mine tailings. We model the spatial relationships between a multi-element signature and, as covariate...
Pravesh Debba, Emmanuel John M. Carranza, Alfred S...
IGARSS
2009
13 years 5 months ago
Classification Performance of Random-projection-based Dimensionality Reduction of Hyperspectral Imagery
High-dimensional data such as hyperspectral imagery is traditionally acquired in full dimensionality before being reduced in dimension prior to processing. Conventional dimensiona...
James E. Fowler, Qian Du, Wei Zhu, Nicolas H. Youn...
IGARSS
2009
13 years 5 months ago
Using SensorML to Describe Scientific Workflows in Distributed Web Service Environments
Scientific Workflows provides a technology that facilitates researchers by allowing them to capture in a machine processable manner the method relating to some research. This incr...
Terence L. van Zyl, Anwar Vahed, Graeme McFerren, ...