Results 41 to 50 of about 113 (84)

PG-GVB: A prior constrained backscatter framework for P-band PolInSAR forest height inversion

International Journal of Applied Earth Observations and Geoinformation
Facilitated by the BIOMASS mission, P-band polarimetric SAR interferometry (PolInSAR) provides a key capability for large-scale forest height mapping and biomass estimation.
Lei Wang, Linping Yang, Gaoyun Shen, Junyi Liu, Junnan Xiong, Lin Fu, Li Zeng, Bing Yu, Chongchong Ye   +8 more
doaj   +1 more source

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

Remote Sensing, 2016
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 (MB) P-band polarimetric-interferometric radar ...
Haiqiang Fu, Changcheng Wang, Jianjun Zhu, Qinghua Xie, Bing Zhang   +4 more
doaj   +1 more source

P-Band PolInSAR Sub-Canopy Terrain Retrieval in Tropical Forests Using Forest Height-to-Unpenetrated Depth Mapping

Remote Sensing
For tropical forests characterized by tall and densely packed trees, even long-wavelength SAR signals may fail to achieve full penetration, posing a significant challenge for retrieving sub-canopy terrain using polarimetric interferometric SAR (InSAR ...
Chuanjun Wu, Jiali Hou, Peng Shen, Sai Wang, Gang Chen, Lu Zhang   +5 more
doaj   +1 more source

The BIOMASS Level 2 Prototype Processor: Design and Experimental Results of Above-Ground Biomass Estimation

Remote Sensing, 2020
BIOMASS is ESA’s seventh Earth Explorer mission, scheduled for launch in 2022. The satellite will be the first P-band SAR sensor in space and will be operated in fully polarimetric interferometric and tomographic modes.
Francesco Banda, Davide Giudici, Thuy Le Toan, Mauro Mariotti d’Alessandro, Kostas Papathanassiou, Shaun Quegan, Guido Riembauer, Klaus Scipal, Maciej Soja, Stefano Tebaldini, Lars Ulander, Ludovic Villard   +11 more
doaj   +1 more source

Adaptive neighborhood aggregation algorithm for PolInSAR forest height estimation

Science of Remote Sensing
Forest height is a core parameter for characterizing vertical forest structure, estimating biomass, and studying global carbon cycles. Polarized interferometric synthetic aperture radar (PolInSAR) technology possesses unique detection capabilities for ...
Wei Zhao, Bing Zhang, Zhongchao Hu, Jichao Zhang, Weidong Song   +4 more
doaj   +1 more source

Mapping Forest Height from TanDEM-X Interferometric Coherence Data in Northwest Territories, Canada

Canadian Journal of Remote Sensing, 2019
In this paper, we demonstrate the feasibility of using TanDEM-X (TX) interferometric coherence data for mapping forest height with 25-m pixels across a study area near Fort Simpson, Northwest Territories (NWT), Canada.
Hao Chen, André Beaudoin, David A. Hill, Shane R. Cloude, Rob S. Skakun, Maryse Marchand   +5 more
doaj   +1 more source

Forest Vertical Parameter Estimation Using PolInSAR Imagery Based on Radiometric Correction

ISPRS International Journal of Geo-Information, 2016
This work introduces an innovative radiometric terrain correction algorithm using PolInSAR imagery for improving forest vertical structure parameter estimation. The variance of radar backscattering caused by terrain undulation has been considered in this
Yu Zhang, Chu He, Xin Xu, Dong Chen
doaj   +1 more source

Estimation of Forest Height Using Spaceborne Repeat-Pass L-Band InSAR Correlation Magnitude over the US State of Maine

Remote Sensing, 2014
This paper describes a novel, simple and efficient approach to estimate forest height over a wide region utilizing spaceborne repeat-pass InSAR correlation magnitude data at L-band.
Yang Lei, Paul Siqueira
doaj   +1 more source

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

Forum Geografi, 2017
This paper was aimed to analyse the effect of temporal decorrelation in carbon stocks estimation. Estimation of carbon stocks plays important roles particularly to understand the global carbon cycle in the atmosphere regarding with climate change ...
Laode M Golok Jaya, Ketut Wikantika, Katmoko Ari Sambodo, Armi Susandi   +3 more
doaj   +1 more source

An improved forest canopy height mapping method by combining GAN-enhanced optical imagery, SAR, and GEDI data

Trees, Forests and People
Forest canopy height (FCH) is a crucial parameter for characterizing forest structure and ecosystem dynamics. NASA’s Global Ecosystem Dynamics Investigation (GEDI) has greatly facilitated tree height estimation by providing accurate vertical structure ...
Rongxi Wang, Hongtao Wang, Cheng Wang, Baokun Feng, Xiaoqian Cheng, Zhenqi Yang   +5 more
doaj   +1 more source