Results 31 to 40 of about 105 (79)

Deep SAR Tomography: A Model-Inspired Approach With Learned Sparse Regularizer

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Synthetic aperture radar tomography (TomoSAR) can acquire high resolution in height direction by forming a large synthetic aperture along the tomographic direction. Compressed sensing (CS) is widely utilized in TomoSAR imaging to reduce the costs of data
Rong Shen, Mou Wang, Jiangbo Hu, Yanbo Wen, Shunjun Wei, Xiaoling Zhang, Ling Fan   +6 more
doaj   +1 more source

Urban Tomographic Imaging Using Polarimetric SAR Data

Remote Sensing, 2019
In this paper, we investigate the potential of polarimetric Synthetic Aperture Radar (SAR) tomography (Pol-TomoSAR) in urban applications. TomoSAR exploits the amplitude and phase of the received data and offers the possibility to resolve multiple ...
Alessandra Budillon, Angel Caroline Johnsy, Gilda Schirinzi   +2 more
doaj   +1 more source

High-Resolution and Wide-Swath 3D Imaging for Urban Areas Based on Distributed Spaceborne SAR

Remote Sensing, 2023
Tomographic synthetic aperture radar (TomoSAR) obtains elevation resolution by adding multiple baselines successively in the direction perpendicular to the line of sight, thereby realizing three-dimensional (3D) reconstruction of complex scenes and ...
Yaqian Yang, Fubo Zhang, Ye Tian, Longyong Chen, Robert Wang, Yirong Wu   +5 more
doaj   +1 more source

Potential of texture from SAR tomographic images for forest aboveground biomass estimation

International Journal of Applied Earth Observations and Geoinformation, 2020
Synthetic Aperture Radar (SAR) texture has been demonstrated to have the potential to improve forest biomass estimation using backscatter. However, forests are 3D objects with a vertical structure.
Zhanmang Liao, Binbin He, Xingwen Quan
doaj   +1 more source

Tomographic SAR 3D Imaging Method Based on Geometry and Polarization Joint Constraints

Leida xuebao
Tomographic Synthetic Aperture Radar (TomoSAR) is a key technique for 3D reconstruction of urban buildings. Although existing methods improve imaging quality by incorporating geometric constraints and have evolved into Polarimetric TomoSAR (PolTomoSAR ...
Shuhang DONG, Zekun JIAO, Liangjiang ZHOU, Xiaolan QIU   +3 more
doaj   +1 more source

SAR Tomography Imaging for Buildings Using an Inconsistency Criterion for Amplitude and Phase

Leida xuebao, 2020
An indispensable step in the imaging of Tomographic Synthetic Aperture Radar (TomoSAR) in spectral analysis or Compressive Sensing (CS) technology is estimating the perpendicular baselines in the Perpendicular Line Of Sight (PLOS) in deramping operations.
XIE Jinwei, LI Zhenfang, WANG Fan, WANG Zhibin   +3 more
doaj   +1 more source

An Elevation Ambiguity Resolution Method Based on Segmentation and Reorganization of TomoSAR Point Cloud in 3D Mountain Reconstruction

Remote Sensing, 2021
Tomographic Synthetic Aperture Radar (TomoSAR) is a breakthrough of the traditional SAR, which has the three-dimentional (3D) observation ability of layover scenes such as buildings and high mountains.
Xiaowan Li, Fubo Zhang, Yanlei Li, Qichang Guo, Yangliang Wan, Xiangxi Bu, Yunlong Liu, Xingdong Liang   +7 more
doaj   +1 more source

TomoSAR Imaging for the Study of Forested Areas: A Virtual Adaptive Beamforming Approach

Remote Sensing, 2018
Among the objectives of the upcoming space missions Tandem-L and BIOMASS, is the 3-D representation of the global forest structure via synthetic aperture radar (SAR) tomography (TomoSAR).
Gustavo D. Martín del Campo, Yuriy V. Shkvarko, Andreas Reigber, Matteo Nannini   +3 more
doaj   +1 more source

Time-varying Baseline Estimation Algorithm for Small UAVs-borne Distributed TomoSAR

Leida xuebao
Small Unmanned Aerial Vehicle (UAV)-borne distributed Tomographic Synthetic Aperture Radar (TomoSAR) systems exhibit remarkable residual time-varying baseline errors due to the limited precision of the position and orientation system on small UAV ...
Hang LI, Qichang GUO, Xiangxi BU, Yujie DAI, Zhiyu JIANG, Jihao XIN, Yanlei LI, Xingdong LIANG   +7 more
doaj   +1 more source

FIRST PRISMATIC BUILDING MODEL RECONSTRUCTION FROM TOMOSAR POINT CLOUDS [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
This paper demonstrates for the first time the potential of explicitly modelling the individual roof surfaces to reconstruct 3-D prismatic building models using spaceborne tomographic synthetic aperture radar (TomoSAR) point clouds.
Y. Sun, Y. Sun, M. Shahzad, X. Zhu, X. Zhu   +4 more
doaj   +1 more source