Potential of RADARSAT-2 for sea ice classification

TitlePotential of RADARSAT-2 for sea ice classification
Publication TypeConference Paper
Year of Publication2002
AuthorsScheuchl, B., and I. G. Cumming
Conference NameGeoscience and Remote Sensing Symposium, 2002. IGARSS '02. 2002 IEEE International
Pagination2185 - 2187 vol.4
Keywords-angle, 2D scatterplots, airborne radar, alpha, anisotropy, CCRS CV-580 airborne SAR, Entropy, ice type classes, information content, oceanographic equipment, operational sea ice classification, polarimetric data, radar polarimetry, RADARSAT-2, remote sensing by radar, scattering mechanisms, sea ice, spaceborne radar, synthetic aperture radar, Wishart classifier

Polarimetric data acquired by the CCRS CV-580 airborne SAR are used to assess the capability of RADARSAT-2 for operational sea ice classification. The information content of the polarimetric data is illustrated by showing how specific scattering mechanisms are portrayed by the entropy, anisotropy and alpha;-angle features. Ice type classes are derived from the full polarimetric data set using a complex Wishart classifier. The classes are then mapped into 2-D scatterplots to compare the information content between dual and fully polarimetric data. While dual polarimetric data are an improvement over single channel data, it is found that fully polarimetric data are needed to provide accurate ice classification performance.


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