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Book Chapter

Using computer simulation to explore the importance of hydrogeology in remote sensing for explosive threat detection

By
S. E. Howington
S. E. Howington
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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J. F. Peters
J. F. Peters
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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J. R. Ballard, Jr.
J. R. Ballard, Jr.
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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O. J. Eslinger
O. J. Eslinger
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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J. R. Fairley
J. R. Fairley
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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R. V. Kala
R. V. Kala
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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R. A. Goodson
R. A. Goodson
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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S. J. Price
S. J. Price
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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A. M. Hines
A. M. Hines
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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L. D. Wakeley
L. D. Wakeley
United States Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, MS 39180-6199, USA
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Published:
January 01, 2012

Abstract

Finding explosive threats in complex environments is a challenge. Benign objects (e.g. rocks, plants and rubbish), ground surface variation, heterogeneous soil properties and even shadows can create anomalies in remotely sensed imagery, often triggering false alarms. The overarching goal is to dissect these complex sensor images to extract clues for reducing false alarms and improve threat detection. Of particular interest is the effect of soil properties, particularly hydrogeological properties, on physical temperatures at the ground surface and the signatures they produce in infrared imagery. Hydrogeological variability must be considered at the scale of the sensor's image pixels, which may be only a few centimetres. To facilitate a deeper understanding of the components of the energy distribution, a computational testbed was developed to produce realistic, process-correct, synthetic imagery from remote sensors operating in the visible and infrared portions of the electromagnetic spectrum. This tool is being used to explore near-surface process interaction at a fine scale to isolate and quantify the phenomena behind the detection physics. The computational tools have confirmed the importance of hydrogeology in the exploitation of sensor imagery for threat detection. However, before this tool's potential becomes a reality, several technical and organizational problems must be overcome.

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Contents

Geological Society, London, Special Publications

Military Aspects of Hydrogeology

E. P. F. Rose
E. P. F. Rose
Royal Holloway, University of London, UK
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J. D. Mather
J. D. Mather
Royal Holloway, University of London, UK
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Geological Society of London
Volume
362
ISBN electronic:
9781862396104
Publication date:
January 01, 2012

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