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Spaceborne Multifrequency PolInSAR-Based Inversion Modelling for Forest Height Retrieval

Shashi Kumar, Himanshu Govil, Prashant K. Srivastava, Praveen K. Thakur, Satya P. S. Kushwaha
2020 Remote Sensing  
higher R2 (0.53) for the linear regression analysis between the modelled tree height and the field data.  ...  Spaceborne monostatic multifrequency data of different SAR missions and the Global Ecosystem Dynamics Investigation (GEDI)-derived forest canopy height map were used in this study for vegetation height  ...  The research was carried under a TDP code: Z1Z12022E301-303 on the development of semi-empirical/numerical models for biophysical characterization of tropical forests using spaceborne PolSAR and PolInSAR  ... 
doi:10.3390/rs12244042 fatcat:vwvaajkq4fhebntcvb5qbbf7f4

Forest Height Mapping Using Complex-Valued Convolutional Neural Network

Xiao Wang, Haipeng Wang
2019 IEEE Access  
This promising approach makes it possible to map forest heights more accurately from the single-baseline PolInSAR observations, which will further promote the wide use of PolInSAR technique.  ...  In this paper, a complex-valued convolutional neural network (CV-CNN) model using PolInSAR features of single baseline is proposed for forest height mapping with high accuracy.  ...  ACKNOWLEDGMENT The authors would like to thank Jing-Jing Zhang, Wen Hong, and Robert Wang of Institute of Electronics, Chinese Academy of Sciences for providing the E-SAR data acquired over Traunstein,  ... 
doi:10.1109/access.2019.2938896 fatcat:7yh22igphfhvnducdkpwfpao54

Estimation of Pine Forest Height and Underlying DEM Using Multi-Baseline P-Band PolInSAR Data

Haiqiang Fu, Changcheng Wang, Jianjun Zhu, Qinghua Xie, Bing Zhang
2016 Remote Sensing  
On the basis of the Gaussian vertical backscatter (GVB) model, this paper proposes a new method for extracting pine forest height and forest underlying digital elevation model (FUDEM) from multi-baseline  ...  The difference between the extracted forest height and LiDAR forest height is assessed with a RMSE of 1.45 m, improved by 37.5% and 26.0%, respectively, for model and inversion aspects in comparison to  ...  In the phase aspect, for most stands in the three baselines, the WCLSA phase heights are higher and closer to the LiDAR forest heights, which denote that the WCLSA phase heights are closer to the LiDAR  ... 
doi:10.3390/rs8100820 fatcat:hnj2xwfa4naazpqefybfbshkpu

Temporal Decorrelation Effect in Carbon Stocks Estimation Using Polarimetric Interferometry Synthetic Aperture Radar (PolInSAR) (Case Study: Southeast Sulawesi Tropical Forest)

Laode M Golok Jaya, Ketut Wikantika, Katmoko Ari Sambodo, Armi Susandi
2017 Forum Geografi  
This research showed that 46 days temporal baseline has a significant impact to estimate tree heights of the forest cover where the accuracy decrease from R2=0.7525 (standard deviation of tree heights  ...  in radar mapping technology in the last few years.  ...  Ketut Wikantika) for the assistances in completing this work. Acknowledgements Author would like to thank Center of Atmospheric Science and Technology for the financial support in this research.  ... 
doi:10.23917/forgeo.v31i1.2518 fatcat:kagj24zxcfhwxhttzmwzrn6a2e

Estimation of Aboveground Biomass from PolSAR and PolInSAR using Regression-based Modelling Techniques

R. Mukhopadhyay, S. Kumar, H. Aghababaei, A. Kulshrestha
2021 Geocarto International  
However, the integrated use of polarimetric (PolSAR) and interferometric (PolInSAR) data might be more efficient tools for AGB mapping.  ...  Therefore, it was concluded that the prediction of AGB through the machine learning technique using PolSAR and PolInSAR data has a significant advantage for accurate estimation of the AGB.  ...  Acknowledgements The authors would like to express their sincere gratitude to the whole research team of ESA for providing SNAP 6.0 and PolSARPro 4.2 tools for polarimetric processing of the SAR data.  ... 
doi:10.1080/10106049.2021.1878289 fatcat:kyx5qyjiuzctjbq4h3we5cfuo4

Study of a passive companion microsatellite to the SAOCOM-1B satellite of Argentina, for bistatic and interferometric SAR applications

Christian Barbier, Dominique Derauw, Anne Orban, Malcolm W. J. Davidson, Roland Meynart, Steven P. Neeck, Haruhisa Shimoda
2014 Sensors, Systems, and Next-Generation Satellites XVIII  
The next step of the study was to carry out some demonstrations using data sets acquired during the BioSAR  ...  In a first step of the study, the potential applications were identified and prioritized based on the mission context and strategic applications, scientific need, and feasibility.  ...  For B = 20m, the effective baseline (or absolute k z value) is closer to its optimum value with respect to observed vegetation height: 0.06 < |k z | < 0.14.  ... 
doi:10.1117/12.2066307 fatcat:ki6grjv7pjhgtlm4eagcypgkhm

A Simple RVoG Test for PolInSAR Data

J. David Ballester-Berman, Fernando Vicente-Guijalba, Juan M. Lopez-Sanchez
2015 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
In this paper, we present a simple algorithm for assessing the validity of the RVoG model for PolInSAR-based inversion techniques.  ...  The algorithm is tested with both indoor and airborne data over agricultural and tropical forest areas.  ...  They are also grateful to the anonymous reviewers for their constructive comments which helped us to improve the paper.  ... 
doi:10.1109/jstars.2014.2379438 fatcat:a45bzyzfvjb67c33i2ptfbdm24

Forest Height Retrieval Based on the Dual PolInSAR Images

Tayebe Managhebi, Yasser Maghsoudi, Meisam Amani
2022 Remote Sensing  
for forest height estimation.  ...  The experimental results on the L-band PolInSAR data show the ability of the dual PolInSAR data for forest height estimation with an average root mean square error (RMSE) of 4.97 m against Lidar data based  ...  Acknowledgments: The authors acknowledge the European Space Agency for providing valuable images and field data in the BioSAR 2007 campaign.  ... 
doi:10.3390/rs14184503 fatcat:gk5ywbk65fcr7nybk6z7y5blmq

Retrieval of agricultural crop height from space: A comparison of SAR techniques

Esra Erten, Juan M. Lopez-Sanchez, Onur Yuzugullu, Irena Hajnsek
2016 Remote Sensing of Environment  
Coherent and incoherent crop height estimation methods are 10 discussed for the first time with a unique TanDEM-X dataset acquired over rice cultivation areas.  ...  Indeed, 11 with its polarimetric and interferometric capabilities, the TanDEM-X mission enables the tracking of crop 12 height through interferometric SAR (InSAR), polarimetric interferometric SAR (PolInSAR  ...  The PolInSAR approach 25 provides reliable crop height estimation if the spatial baseline is large enough for the inversion.  ... 
doi:10.1016/j.rse.2016.10.007 fatcat:vqnbidj2sbejhlhy3szvswu2sy

Comparison of the TanDEM-X response between vertical and horizontal oriented vegetation

Esra Erten, Cristian Rossi, Onur Yuzugullu
2015 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)  
The analysis showed that there is a diversity between height estimations from HH and VV polarized interferometric channels, which can reach to 10 cm in the reproductive stages of the crops.  ...  It has been found that TanDEM-X mission is capable of tracking the crop height, and the accuracy of the height estimation depends on the crop morphology, which causes a diversity between canopy top and  ...  The shorter wavelengths attenuate faster (get weaker), which makes them optimum for canopy height applications due to the scattering close to top-canopy layer.  ... 
doi:10.1109/igarss.2015.7326421 dblp:conf/igarss/ErtenRY15 fatcat:bp6wvjuczvfyznxcj3kjumut7a

Polarimetric interferometry [chapter]

S. R. Cloude
2009 Polarisation: Applications in Remote Sensing  
The phase difference between the optimum interferograms obtained by the application of the algorithm on the SIR-C data turned out to be strongly correlated with the actual forest height.  ...  The strong polarization dependence of the coherence will be addressed and the analytical solution for optimum polarization states that maximize the interferometric coherence will be derived and applied  ...  Andreas Reigber from the Technical University of Berlin for their valuable assistance in composing this tutorial.  ... 
doi:10.1093/acprof:oso/9780199569731.003.0006 fatcat:jdwvmmsfm5d6ngmig5wtaj7xha

Data Fusion for Reconstruction of a DTM, Under a Woodland Canopy, From Airborne L-band InSAR

Clare S. Rowland, Heiko Balzter
2007 IEEE Transactions on Geoscience and Remote Sensing  
The findings suggest that backscatter information may often be undervalued in estimating terrain height under forest canopies.  ...  (DTM) generation from the InSAR height of the selected ground hit pixels.  ...  Applications of polarimetric SAR interferometry (PolInSAR) have focused on forested areas, but have also explored the potential for PolInSAR analysis over agricultural and urban areas [5] , [6] and  ... 
doi:10.1109/tgrs.2007.893565 fatcat:zorsbjizfjgc3fz6ho3ksp5owq

A Review of Crop Height Retrieval Using InSAR Strategies: Techniques and Challenges

Noelia Romero-Puig, Juan M Lopez-Sanchez
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
The authors would also like to thank the support of the Federacion de Arroceros de Sevilla for providing the field data.  ...  For more information, see This article has been accepted for publication in a future issue of this journal, but has not been fully edited.  ...  Height maps around a large area of the Sevilla test site.  ... 
doi:10.1109/jstars.2021.3100874 fatcat:bmzaineh2fbwtjwynuipfk3pma

Forest Vertical Parameter Estimation Using PolInSAR Imagery Based on Radiometric Correction

Yu Zhang, Chu He, Xin Xu, Dong Chen
2016 ISPRS International Journal of Geo-Information  
This work introduces an innovative radiometric terrain correction algorithm using PolInSAR imagery for improving forest vertical structure parameter estimation.  ...  To demonstrate the efficiency of the proposed method in forest height estimation, the classical phase difference and three-stage inversion approach have been performed for the purpose of comparison.  ...  PolInSAR Characteristics Analysis in Forest Area PolInSAR image processing is a potential technique for terrain correction and vertical structure parameter extraction.  ... 
doi:10.3390/ijgi5100186 fatcat:5gzkhd4ubzdaddkxkxst4ertsm

Retrieval of vegetation height in rice fields using polarimetric SAR interferometry with TanDEM-X data

Juan M. Lopez-Sanchez, Fernando Vicente-Guijalba, Esra Erten, Manuel Campos-Taberner, Francisco Javier Garcia-Haro
2017 Remote Sensing of Environment  
9 This work presents for the first time a demonstration with satellite data of polarimetric SAR interferometry (PolInSAR) applied to the retrieval of vegetation height in rice fields.  ...  Results are obtained during the whole growth cycle and demonstrate that PolInSAR is useful to produce accurate height estimates (RMSE 10-20 cm) when plants are tall enough (taller than 25-40 cm), without  ...  The values of k v provided by the height thresholds at which the 557 performance of PolInSAR starts to be satisfactory, attending to the analysis of Figures 8-11, are shown in 558 Figure 12 : 12 Comparison  ... 
doi:10.1016/j.rse.2017.02.004 fatcat:jpkavbkf6jcq7hct2lyqu4hqru
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