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Thermography-inspired processing strategy applied on shearography towards nondestructive inspection of composites
Kirkove, Murielle; Zhao, Yuchen; Blain, Pascal et al.
2019In Proceedings of SPIE: The International Society for Optical Engineering, 11056
 

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Keywords :
Composites; Data modeling; Denoising; Image deconvolution; Inspection; Lamps; Nondestructive evaluation; NDE; Nondestructive inspection; NDI; Principal component analysis; PCA; Shearography; Statistical analysis; Thermography; Wavelets
Research center :
CSL - Centre Spatial de Liège - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Kirkove, Murielle  ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Zhao, Yuchen ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Blain, Pascal ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Vandenrijt, Jean-François  ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Georges, Marc ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Language :
English
Title :
Thermography-inspired processing strategy applied on shearography towards nondestructive inspection of composites
Publication date :
21 June 2019
Event name :
Optical Measurement Systems for Industrial Inspection XI
Event organizer :
SPIE
Event place :
Munich, Germany
Event date :
June 24th - 27th, 2019
Audience :
International
Journal title :
Proceedings of SPIE: The International Society for Optical Engineering
ISSN :
0277-786X
eISSN :
1996-756X
Publisher :
International Society for Optical Engineering, Bellingham, United States - Washington
Special issue title :
Proceedings of SPIE
Volume :
11056
Name of the research project :
TECCOMA
Funders :
Service public de Wallonie Économie, Emploi, Recherche: Direction générale opérationnelle de l'économie, de l'emploi et de la recherche
Commentary :
Shearography nondestructive inspection (NDI) based on the use of thermal stress in studied in view of detecting defects in composite materials. In particular, we would like to extract the content of information that is present in the deformation due to the evolving deformation during the variation of the stress. For that a good approach is to try to apply processing techniques which are largely applied in thermography NDI for the same purpose. We will discuss the necessity of pre-processing the shearography data to make them compatible with thermography inspired processing techniques. After that we will present the statistical analysis based on principal components, and we will discuss the possibility of deterministic analysis based on the temporal behavior during and after heating.
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