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Title: Spatially assisted down-track median filter for GPR image post-processing

Abstract

A method and system for detecting the presence of subsurface objects within a medium is provided. In some embodiments, the imaging and detection system operates in a multistatic mode to collect radar return signals generated by an array of transceiver antenna pairs that is positioned across the surface and that travels down the surface. The imaging and detection system pre-processes the return signal to suppress certain undesirable effects. The imaging and detection system then generates synthetic aperture radar images from real aperture radar images generated from the pre-processed return signal. The imaging and detection system then post-processes the synthetic aperture radar images to improve detection of subsurface objects. The imaging and detection system identifies peaks in the energy levels of the post-processed image frame, which indicates the presence of a subsurface object.

Inventors:
;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1159985
Patent Number(s):
8,854,249
Application Number:
13/219,493
Assignee:
Lawrence Livermore National Security, LLC (Livemore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Aug 26
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Paglieroni, David W, and Beer, N Reginald. Spatially assisted down-track median filter for GPR image post-processing. United States: N. p., 2014. Web.
Paglieroni, David W, & Beer, N Reginald. Spatially assisted down-track median filter for GPR image post-processing. United States.
Paglieroni, David W, and Beer, N Reginald. Tue . "Spatially assisted down-track median filter for GPR image post-processing". United States. https://www.osti.gov/servlets/purl/1159985.
@article{osti_1159985,
title = {Spatially assisted down-track median filter for GPR image post-processing},
author = {Paglieroni, David W and Beer, N Reginald},
abstractNote = {A method and system for detecting the presence of subsurface objects within a medium is provided. In some embodiments, the imaging and detection system operates in a multistatic mode to collect radar return signals generated by an array of transceiver antenna pairs that is positioned across the surface and that travels down the surface. The imaging and detection system pre-processes the return signal to suppress certain undesirable effects. The imaging and detection system then generates synthetic aperture radar images from real aperture radar images generated from the pre-processed return signal. The imaging and detection system then post-processes the synthetic aperture radar images to improve detection of subsurface objects. The imaging and detection system identifies peaks in the energy levels of the post-processed image frame, which indicates the presence of a subsurface object.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {10}
}

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