A Fuzzy Approach Using Euclidean Geometrical Formulation for Classifying SAR Images

A Fuzzy Approach Using Euclidean Geometrical Formulation for Classifying SAR Images

Biagio Cammaroto (Environmental and Applied Mathematics, University of Messina, Messina, Italy), Matteo Cacciola (Department of Civil, Energy, Environmental and Mechanical Engineering, Mediterranea University of Reggio Calabria, Reggio Calabria, Italy) and Mario Versaci (Department of Civil, Energy, Environmental and Mechanical Engineering, Mediterranea University of Reggio Calabria, Reggio Calabria, Italy)
DOI: 10.4018/ijmtie.2013100103

Abstract

Synthetic Aperture Radar (SAR) is a good tool to investigate problems in many geophysical application as classification of ground terrain types and coastal protection. In scientific literature, many analytical and/or numerical techniques have been taken into account to solve the classification problem at hand, especially in all of applications in which it is necessary to classify portion of images with uncertainty and imprecision. In fact, according to the conventional classification approaches, the assignment of a class to each portion of an image could be particularly inadequate for all those portions that span more than a class (for example the coastal areas of the shoreline). This article is devoted to present a fuzzy-geometric approach based on fuzzy subsethood operator to classify SAR images for coastal protection applications. The obtained results were compared, in terms of accuracy, with standard techniques of classification.
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Synthetic Aperture Radar (Sar): An Overview

Synthetic Aperture Radar (SAR) has been developed since 1951 in response to the comments made by Carl Wiley of Goodyear Aircraft Corporation. He noted that he could have obtained a high resolution angular analyzing the spectrum of the received signal from a radar system of the type consistent. Wiley's ideas were later detailed at the University of Michigan and led to the development of an airborne SAR system (AN/UPD-1) for the U.S. Army. The huge development technological occurred in the following years led to the creation of a SAR system by satellite platform which was launched in 1978 on board the satellite SEASAT. After this first experiment, Earth Observation eighties saw the birth of the SAR systems carried aboard the shuttle. Following from the early nineties almost all the space agencies have included among their programs launching platforms bringing on board sensors SAR. Among these include: the ESA program ERS 1/2, the NASDA JERS of the Canadian RADARSAT.

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