Title
The Effect of Topography on Target Decomposition of Polarimetric SAR Data
Abstract
Polarimetric target decomposition enables the interpretation of radar images more easily, mostly based on physical assumptions, i.e., fitting physically-based scattering models to the polarimetric SAR observations. However, the model-fitting result cannot be always successful. Particularly, the performance of model-fitting in sloping forests is still an open question. In this study, the effect of ground topography on the model-fitting-based polarimetric decomposition techniques is investigated. The estimation accuracy of each scattering component in the decomposition results are evaluated based on the simulated target matrix by using the incoherent vegetation scattering model that accounts for the tilted scattering surface beneath the forest canopy. Experimental results show that the surface and the double-bounce scattering components can be significantly misestimated due to the topographic slope, even when the volume scattering power is successfully estimated.
Year
DOI
Venue
2015
10.3390/rs70504997
REMOTE SENSING
Keywords
Field
DocType
topography
Tree canopy,Radar imaging,Vegetation,Polarimetry,Topographic map,Matrix (mathematics),Remote sensing,Scattering,Geology,Decomposition
Journal
Volume
Issue
ISSN
7
5
2072-4292
Citations 
PageRank 
References 
3
0.41
16
Authors
1
Name
Order
Citations
PageRank
Sang-Eun Park120124.33