NDLI: Voxel area sculpturing-based 3D scene reconstruction from single-pass CSAR data

Content Provider	IET Digital Library
Author	Zhou, Chaowei Zhou, Yejian Suo, Zhiyong Li, Zhenfang
Abstract	3D scene reconstruction from single-pass circular synthetic aperture radar (CSAR) data has been a research hot spot in various remote sensing applications. Among existing literature, radargrammetry techniques and model assistant methods are two dominant approaches. However, the performance of these methods is limited in practical applications: radargrammetry techniques obtain merely one height value along vertical; model assistant approaches only work when valid models are given. A single-pass CSAR 3D scene point cloud reconstruction method is proposed. First, the connection between an object and its projections in multi-aspect SAR images is established with no auxiliary model. On the basis of the connection, voxels are classified into inner voxels (voxels beneath the target profile) and outside voxels (voxels outside of the target profile). Discarded all the outside voxels, the remained inner voxels are combined to form the 3D point cloud of the target. It is similar to the sculpturing process from a raw material to a piece of craft. Finally, a 3D scene is retrieved through assembling all reconstructed targets into a unified coordinate system. The feasibility of the proposed method is validated by the Gotcha Volumetric SAR Data Set.
Starting Page	566
Ending Page	567
Page Count	2
ISSN	00135194
Volume Number	56
e-ISSN	1350911X
Issue Number	Issue 11, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/56/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2020.0263
Journal	Electronics Letters
Publisher Date	2020-03-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	3D Point Cloud Auxiliary Model Computer Vision And Image Processing Technique Data And Information; Acquisition, Processing, Storage And Dissemination in Geophysics Dominant Approach Geophysical Image Processing Geophysical Technique And Equipment Geophysics Computing Gotcha Volumetric SAR Data Set Image Classification Image Recognition Image Reconstruction Instrumentation And Technique For Geophysical, Hydrospheric And Lower Atmosphere Research Merely One Height Value Model Assistant Approach Model Assistant Method Radar Equipment Radar Imaging Radargrammetry Technique Reconstructed Targets Remote Sensing Application Remote Sensing by Radar Research Hot Spot Single-pass Circular Synthetic Aperture Radar Data Single-pass CSAR 3D Scene Point Cloud Reconstruction Method Single-pass CSAR Data Synthetic Aperture Radar System And Application Target Profile Valid Model Voxel Area Sculpturing-based 3D Scene Reconstruction
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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