Evaluation of Polsar Similarity Measures with Spectral Clustering

Abstract

Polarimetric Synthetic Aperture Radar (PolSAR) is a valuable remote sensing data source. It is usually challenging to interpret PolSAR data, especially in urban areas, and hense, spatial clustering comes as a powerful tool for the application of PolSAR data. In data clustering, similarity measurement indexes are of great importance. By far, there are quite some similarity measures of PolSAR data. However, to our knowledge, there has no practical and systematic evaluation of the performances of these measures. In this paper, we evaluate seven different similarity measurements of PolSAR data in the context of clustering using the conventional spectral clustering algorithm.