Results 21 to 30 of about 113 (84)

Forest Height Inversion by Combining Single-Baseline TanDEM-X InSAR Data with External DTM Data

Remote Sensing, 2023
Forest canopy height estimation is essential for forest management and biomass estimation. In this study, we aimed to evaluate the capacity of TanDEM-X interferometric synthetic aperture radar (InSAR) data to estimate canopy height with the assistance of
Wenjie He, Jianjun Zhu, Juan M. Lopez-Sanchez, Cristina Gómez, Haiqiang Fu, Qinghua Xie   +5 more
doaj   +1 more source

The Iterative Extraction of the Boundary of Coherence Region and Iterative Look-Up Table for Forest Height Estimation Using Polarimetric Interferometric Synthetic Aperture Radar Data

Remote Sensing, 2022
In this paper, we introduce a refined three-stage inversion algorithm (TSIA) for forest height estimation using polarimetric interferometric synthetic aperture radar (PolInSAR).
Zenghui Huang, Ye Yun, Huiming Chai, Xiaolei Lv   +3 more
doaj   +1 more source

Evaluating the Impacts of Using Different Digital Surface Models to Estimate Forest Height with TanDEM-X Interferometric Coherence Data

Leida xuebao, 2020
In our previous studies, we demonstrated the usefulness of TanDEM-X interferometric bistatic mode with single polarization to obtain forest heights for the purposes of large area mapping.
CHEN Hao, HILL David A., WHITE Joanne C., CLOUDE Shane R.   +3 more
doaj   +1 more source

Crop Height Estimation Based on a Novel Semi-Empirical Model Considering Double-Bounce Scattering Using RADARSAT-2 PolSAR Data [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Obtaining precise and rapid crop height is essential to facilitate agricultural production services, field management, disaster monitoring, and yield assessment.
S. Hu, Q. Xie, X. Peng, J. Wang, H. Fu, J. Zhu, X. Liu   +6 more
doaj   +1 more source

An improved dual-baseline PolInSAR method for forest height inversion

International Journal of Applied Earth Observations and Geoinformation, 2021
P-band PolInSAR technique has been validated to be a useful tool for forest height inversion. Aiming at the residual ground scattering contribution and temporal decorrelation in repeat-pass interferometry that affect the inversion accuracy, we proposed a
Yue Shi, Binbin He, Zhanmang Liao
doaj   +1 more source

Improvement of Forest Height Retrieval By Integration of Dual-Baseline PolInSAR Data And External DEM Data [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
In recent years, a lot of studies have shown that polarimetric synthetic aperture radar interferometry (PolInSAR) is a powerful technique for forest height mapping and monitoring. However, few researches address the problem of terrain slope effect, which
Q. Xie, C. Wang, J. Zhu, H. Fu, C. Wang
doaj   +1 more source

Assessment of Forest Above-Ground Biomass Estimation from PolInSAR in the Presence of Temporal Decorrelation

Remote Sensing, 2018
In forestry studies, remote sensing has been widely used to monitor deforestation and estimate biomass, and it has contributed to forest carbon stock management.
Nafiseh Ghasemi, Valentyn Tolpekin, Alfred Stein   +2 more
doaj   +1 more source

A ROBUST PCT METHOD BASED ON COMPLEX LEAST SQUARES ADJUSTMENT METHOD [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Polarization Coherence Tomography (PCT) method has the good performance in deriving the vegetation vertical structure. However, Errors caused by temporal decorrelation and vegetation height and ground phase always propagate to the data analysis and ...
F. Haiqiang, Z. Jianjun, W. Changcheng, X. Qinghua, Z. Rong   +4 more
doaj   +1 more source

An efficient method for estimating tropical forest canopy height from airborne PolInSAR data

Ecological Indicators
The study on PolInSAR forest canopy height(FCH) inversion is an essential branch within the SAR field, where the temporal decorrelation(TD) inherent in the interferometric complex coherence of repeat-pass Polarization Interferometric Synthetic Aperture ...
Hongbin Luo, Cairong Yue, Yong Wu, Xiaoli Zhang, Chi Lu, Guanglong Ou   +5 more
doaj   +1 more source

Interferometric SAR Coherence Models for Characterization of Hemiboreal Forests Using TanDEM-X Data

Remote Sensing, 2016
In this study, four models describing the interferometric coherence of the forest vegetation layer are proposed and compared with the TanDEM-X data. Our focus is on developing tools for hemiboreal forest height estimation from single-pol interferometric ...
Aire Olesk, Jaan Praks, Oleg Antropov, Karlis Zalite, Tauri Arumäe, Kaupo Voormansik   +5 more
doaj   +1 more source