Improvement of the Non-Destructive Testing of Heritage Mural Paintings Using Stimulated Infrared Thermography and Frequency Image Processing

Within the framework of conservation and assistance for the restoration of cultural property, a method of analysis assistance has been developed to help in the restoration of cultural heritage. Several collaborations have already demonstrated the possibility of defects detection (delamination, salts...

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Bibliographic Details
Published in:Journal of imaging 2019-08, Vol.5 (9), p.72
Main Authors: Mouhoubi, Kamel, Detalle, Vincent, Vallet, Jean-Marc, Bodnar, Jean-Luc
Format: Article
Language:English
Subjects:
Art works
Civil Engineering
Construction durable
Cultural heritage
Cultural resources
Eco-conception
Electric power
Energy
Engineering Sciences
Fourier transform
Heat conductivity
image enhancement
Image processing
Infrared analysis
Infrared imagery
Infrared imaging
Laboratories
Materials
Mechanics
Murals
NDT
Nondestructive testing
Optics
Photonic
Physics
Post-processing
Remanence
Restoration
Simulation
stimulated infrared thermography
Thermography
work of art
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Summary:Within the framework of conservation and assistance for the restoration of cultural property, a method of analysis assistance has been developed to help in the restoration of cultural heritage. Several collaborations have already demonstrated the possibility of defects detection (delamination, salts) in murals paintings using stimulated infrared thermography. One of the difficulties encountered with infrared thermography applied to the analysis of works of art is the remanence of the pictorial layer. This difficulty can sometimes induce detection artifacts and false positives. A method of thermograms post-processing called PPT (pulse phase thermography) is described. The possibilities offered by the PPT in terms of reducing the optical effects associated with the pictorial layer are highlighted first with a simulation, and then through experiments. This approach can significantly improve the study of painted works of art such as wall paintings.
ISSN:2313-433X
2313-433X
DOI:10.3390/jimaging5090072