GPR Target Detection by Joint Sparse and Low-Rank Matrix Decomposition

Ground penetrating radar (GPR) uses electromagnetic waves to image, locate, and identify changes in electric and magnetic properties in the ground. The received signal comprises not only the target echoes but also strong reflections from the rough, uneven ground surface, which impair subsurface insp...

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Bibliographic Details
Published in:IEEE transactions on geoscience and remote sensing 2019-05, Vol.57 (5), p.2583-2595
Main Authors: Tivive, Fok Hing Chi, Bouzerdoum, Abdesselam, Abeynayake, Canicious
Format: Article
Language:English
Subjects:
Antenna arrays
Background noise
Clutter
Clutter mitigation
Decomposition
Detection
Echoes
Electromagnetic radiation
Explosive devices
Ground penetrating radar
ground penetrating radar (GPR)
Land mine removal
Land mines
Landmines
low-rank and sparse priors
low-rank representation (LRR)
Magnetic properties
Methods
Military communications
Mine detection
Mitigation
Object detection
Object recognition
Optimization
Radar
Radar imaging
Sparse matrices
Target detection
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Summary:Ground penetrating radar (GPR) uses electromagnetic waves to image, locate, and identify changes in electric and magnetic properties in the ground. The received signal comprises not only the target echoes but also strong reflections from the rough, uneven ground surface, which impair subsurface inspections and visualization of buried objects. In this paper, a background clutter mitigation and target detection method using low-rank and sparse priors is proposed for GPR data. The radar signal is decomposed into the sum of a low-rank component and a sparse component, plus noise. The low-rank component captures the ground surface reflections and background clutter, whereas the sparse component contains the target reflections. The effectiveness of the proposed method is evaluated on real radar signals collected from buried landmines and improvised explosive devices. The experimental results show that the proposed method successfully removes the background clutter and estimates the target signals.
ISSN:0196-2892
1558-0644
DOI:10.1109/TGRS.2018.2875102