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Data Enhancement for Active Thermography

Please always quote using this URN: urn:nbn:de:0297-zib-15243
  • Pulse thermography is a non-destructive testing method based on infrared imaging of transient thermal patterns. Heating the surface of the structure under test for a short period of time generates a non-stationary temperature distribution and thus a thermal contrast between the defect and the sound material. Due to measurement noise, preprocessing of the experimental data is necessary, before reconstruction algorithms can be applied. We propose a decomposition of the measured temperature into Green's function solutions to eliminate noise.

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Author:Sebastian GötschelORCiD, Martin WeiserORCiD, Christiane Maierhofer, Regina Richter
Document Type:ZIB-Report
Tag:Green's functions; active thermography; data enhancement; quantitative reconstruction
MSC-Classification:35-XX PARTIAL DIFFERENTIAL EQUATIONS / 35Kxx Parabolic equations and systems [See also 35Bxx, 35Dxx, 35R30, 35R35, 58J35] / 35K05 Heat equation
65-XX NUMERICAL ANALYSIS / 65Mxx Partial differential equations, initial value and time-dependent initial- boundary value problems / 65M80 Fundamental solutions, Green`s function methods, etc.
68-XX COMPUTER SCIENCE (For papers involving machine computations and programs in a specific mathematical area, see Section -04 in that area) / 68Uxx Computing methodologies and applications / 68U10 Image processing
PACS-Classification:80.00.00 INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY / 81.00.00 Materials science / 81.70.-q Methods of materials testing and analysis (for specific chemical analysis methods, see 82.80.-d)
80.00.00 INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY / 87.00.00 Biological and medical physics / 87.63.-d Non-ionizing radiation equipment and techniques / 87.63.Hg Thermography
Date of first Publication:2012/04/30
Series (Serial Number):ZIB-Report (12-20)
ISSN:1438-0064
Published in:Appeared in: E-book Proceedings, Ed. by Gennaro Cardone, 11th International Conference on Quantitative Infrared Thermography, Naples, 2012, 2012-ISBN 9788890648441
URL:http://qirt.gel.ulaval.ca/archives/qirt2012/papers/QIRT-2012-167.pdf
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