Hyperspectral Image Classification with Kernels

Hyperspectral Image Classification with Kernels

Lorenzo Bruzzone (University of Trento, Italy), Luis Gomez-Chova (Universitat de València, Spain), Mattia Marconcini (University of Trento, Italy) and Gustavo Camps-Valls (Universitat de València, Spain)
Copyright: © 2007 |Pages: 25
DOI: 10.4018/978-1-59904-042-4.ch016
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Abstract

The information contained in hyperspectral images allows the characterization, identification, and classification of land covers with improved accuracy and robustness. However, several critical problems should be considered in the classification of hyperspectral images, among which are (a) the high number of spectral channels, (b) the spatial variability of the spectral signature, (c) the high cost of true sample labeling, and (d) the quality of data. Recently, kernel methods have offered excellent results in this context. This chapter reviews the state-of-the-art hyperspectral image classifiers, presents two recently proposed kernel-based approaches, and systematically discusses the specific needs and demands of this field.

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