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3D matched filter for detection of land mines using spatio-temporal thermal modeling
Chalmers University of Technology.
2000 (English)In: Detection and Remediation Technologies for Mines and Minelike Targets V, 2000Conference paper, Published paper (Refereed)
Abstract [en]

Shallowly buried object sand the background soil have different specific heat and heat conductivity. Thus, the thermal alternation over day and night produces a thermal contrast on the soil surface that can be detected by an IR sensor. We present a simple model for the spatio-temporal temperature signature of a buried land mine by means of a 3D Gaussian function. Such a mode is appropriate since both measured data and simulations based on the finite element method show a spatio-temporal behavior that strongly resembles a 3D Gaussian shape. An advantage of modeling the signature as a Gaussian shape is that objects with approximately the same size but with different physical properties can be obtained simply from a scaled version of the original model.

Place, publisher, year, edition, pages
2000.
Series
Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X ; 4038
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-39947DOI: 10.1117/12.396245Local ID: ee47ce70-f26b-11df-8b36-000ea68e967bOAI: oai:DiVA.org:ltu-39947DiVA: diva2:1013467
Conference
Detection and Remediation Technologies for Mines and Minelike Targets : 24/04/2000 - 24/04/2000
Note
Upprättat; 2000; 20101117 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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