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Assessment of Paddy Rice Height: Sequential Inversion of Coherent and Incoherent Models

Yuzugullu, Onur and Erten, Esra and Hajnsek, Irena (2018) Assessment of Paddy Rice Height: Sequential Inversion of Coherent and Incoherent Models. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11 (9), 3001 - 3013. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/JSTARS.2018.2844798 ISSN 1939-1404

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Abstract

This paper investigates the evolution of canopy height of rice fields for a complete growth cycle. For this purpose, copolar interferometric Synthetic Aperture Radar (Pol-InSAR) time series data were acquired during the large across-track baseline (>1 km) science phase of the TanDEM-X mission. The height of rice canopies is estimated by three different model-based approaches. The first approach evaluates the inversion of the Random Volume over Ground (RVoG) model. The second approach evaluates the inversion of a metamodel-driven electromagnetic backscattering model by including a priori morphological information. The third approach combines the previous two processes. The validation analysis was carried out using the Pol-InSAR and ground measurement data acquired between May and September in 2015 over rice fields located in Ipsala district of Edirne, Turkey. The results of presented height estimation algorithms demonstrated the advantage of Pol-InSAR data. The combined RvoG model and EM metamodel height estimation approach provided rice canopy heights with errors less than 20 cm for the complete growth cycle.

Item URL in elib:https://elib.dlr.de/123627/
Document Type:Article
Title:Assessment of Paddy Rice Height: Sequential Inversion of Coherent and Incoherent Models
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Yuzugullu, OnurETH ZürichUNSPECIFIED
Erten, EsraITUUNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIED
Date:September 2018
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:11
DOI :10.1109/JSTARS.2018.2844798
Page Range:3001 - 3013
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Series Name:IEEE Explore
ISSN:1939-1404
Status:Published
Keywords:Agriculture, copolar, height estimation, metamodel, polarimetry, polarimetric interferometry, synthetic aperture radar (SAR), stochastic approach
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Radzuweit, Sibylle
Deposited On:26 Nov 2018 09:25
Last Modified:19 Dec 2018 17:04

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