A Simple RVoG Test for PolInSAR Data

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Title: A Simple RVoG Test for PolInSAR Data
Authors: Ballester-Berman, J. David | Vicente-Guijalba, Fernando | Lopez-Sanchez, Juan M.
Research Group/s: Señales, Sistemas y Telecomunicación
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Instituto Universitario de Investigación Informática
Keywords: Parameter inversion | PolInSAR | RVoG model | Vegetation
Knowledge Area: Teoría de la Señal y Comunicaciones
Issue Date: Mar-2015
Publisher: IEEE
Citation: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 2015, 8(3): 1028-1040. doi:10.1109/JSTARS.2014.2379438
Abstract: In this paper, we present a simple algorithm for assessing the validity of the RVoG model for PolInSAR-based inversion techniques. This approach makes use of two important features characterizing a homogeneous random volume over a ground surface, i.e., the independence on polarization states of wave propagation through the volume and the structure of the polarimetric interferometric coherency matrix. These two features have led to two different methods proposed in the literature for retrieving the topographic phase within natural covers, i.e., the well-known line fitting procedure and the observation of the (1, 2) element of the polarimetric interferometric coherency matrix. We show that differences between outputs from both approaches can be interpreted in terms of the PolInSAR modeling based on the Freeman-Durden concept, and this leads to the definition of a RVoG/non-RVoG test. The algorithm is tested with both indoor and airborne data over agricultural and tropical forest areas.
Sponsor: This work was supported by the Spanish Ministry of Economy and Competitiveness (MINECO) and EU FEDER under Project TEC2011-28201-C02-02.
URI: http://hdl.handle.net/10045/46276
ISSN: 1939-1404 (Print) | 2151-1535 (Online)
DOI: 10.1109/JSTARS.2014.2379438
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Peer Review: si
Publisher version: http://dx.doi.org/10.1109/JSTARS.2014.2379438
Appears in Collections:INV - SST - Artículos de Revistas

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