Test of equi-scattering mechanisms for POLInSAR applications with TanDEM-X

Citation

Marino A, Cloude S & Lopez-Sanchez J (2011) Test of equi-scattering mechanisms for POLInSAR applications with TanDEM-X. 2011 IEEE International Geoscience and Remote Sensing Symposium, Vancouver, BC, Canada, 24.07.2011-29.07.2011. https://doi.org/10.1109/IGARSS.2011.6049764

Abstract
Several POLInSAR methodologies are based on the concept of polarimetric and interferometric coherence [1]. Many of them assume the scattering mechanisms observed at the two interferometric acquisitions are the same (i.e. equi-scattering mechanism, ESM). However, if the scatterers change, different approaches must be employed. In order to select the appropriate set of algorithms, a test of target stability should be performed as pre-processing. The authors already devel oped a polarimetric change detector [2], based on perturbation analysis. In the present paper, the change detector and the parameterization introduced in [2] are modified in order to perform the ESM test on dual polarimetric TanDEM-X data. Unfortunately, TanDEM-X data were not available at the mo ment of compiling this paper, so the algorithm was tested on TerraSAR-X HHIVV images.

Keywords
Polarimetry; Change detection; SAR; Interferometry

Journal
International Geoscience and Remote Sensing Symposium (IGARSS)