Detection and characterization of buried landmines using infrared thermography

Nguyen Trung Thành, Hichem Sahli, Dinh Nho Hào

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The application of infrared (IR) thermography to the detection and characterization of buried landmines (more generally, buried objects) is introduced. The problem is aimed at detecting the presence of objects buried under the ground and characterizing them by estimating their thermal and geometrical properties using IR measurements on the soil surface. Mathematically, this problem can be stated as an inverse problem for reconstructing a piecewise constant coefficient of a three-dimensional heat equation in a parallelepiped from only one measurement taken at one plane of its boundary (the air-soil interface). Due to the lack of spatial information in the observed data, this problem is extremely ill-posed. In order to reduce its ill-posedness, keeping in mind the application of detecting buried landmines we make use of some simplification steps and propose a twostep method for solving it. The performance of the proposed algorithm is illustrated with numerical examples.

Original languageEnglish (US)
Pages (from-to)281-307
Number of pages27
JournalInverse Problems in Science and Engineering
Volume19
Issue number3
DOIs
StatePublished - Apr 1 2011

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Computer Science Applications
  • Applied Mathematics

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