Chapter

Optical Remote Sensing

Volume 3 of the series Augmented Vision and Reality pp 171-206

Date:

A Review of Kernel Methods in Remote Sensing Data Analysis

  • Luis Gómez-ChovaAffiliated withImage Processing Laboratory, Universitat de València Email author 
  • , Jordi Muñoz-MaríAffiliated withImage Processing Laboratory, Universitat de València
  • , Valero LaparraAffiliated withImage Processing Laboratory, Universitat de València
  • , Jesús Malo-LópezAffiliated withImage Processing Laboratory, Universitat de València
  • , Gustavo Camps-VallsAffiliated withImage Processing Laboratory, Universitat de València

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Abstract

Kernel methods have proven effective in the analysis of images of the Earth acquired by airborne and satellite sensors. Kernel methods provide a consistent and well-founded theoretical framework for developing nonlinear techniques and have useful properties when dealing with low number of (potentially high dimensional) training samples, the presence of heterogenous multimodalities, and different noise sources in the data. These properties are particularly appropriate for remote sensing data analysis. In fact, kernel methods have improved results of parametric linear methods and neural networks in applications such as natural resource control, detection and monitoring of anthropic infrastructures, agriculture inventorying, disaster prevention and damage assessment, anomaly and target detection, biophysical parameter estimation, band selection, and feature extraction. This chapter provides a survey of applications and recent theoretical developments of kernel methods in the context of remote sensing data analysis. The specific methods developed in the fields of supervised classification, semisupervised classification, target detection, model inversion, and nonlinear feature extraction are revised both theoretically and through experimental (illustrative) examples. The emergent fields of transfer, active, and structured learning, along with efficient parallel implementations of kernel machines, are also revised.

Keywords

Remote Sensing Kernel Methods Support Vector Machines (SVM) Supervised and Semisupervised Classification Target Detection Biophysical Parameter Estimation Nonlinear Feature Extraction