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Communication Dans Un Congrès Année : 2019

Cracks detection on glass object based on active thermography approach

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Résumé

Thermal imaging is nowadays widely used in many industrial areas for non destructive analysis. This paper focuses on the detection by active thermography of cracks in a transparent and specular piece of glass. A continuous laser scans the target by creating a hot spot that is acquired by a thermal camera. A thermal map is computed by averaging of thermal measurements for all the positions of the hot spot on the target. Then edge filters are applied to highlight the cracks. Experimental results demonstrate the validity of the material damage estimation in a short processing time.
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Dates et versions

hal-02353570 , version 1 (07-11-2019)

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Thomas Herrmann, Cyrille Migniot, Olivier Aubreton. Cracks detection on glass object based on active thermography approach. Fourteenth International Conference on Quality Control by Artificial Vision, Université de Haute Alsace; Mulhouse Alsace Agglomeration ; Region Grand Est; IDS GmbH; Faculté de Science de Mulhouse, May 2019, Mulhouse, France. ⟨10.1117/12.2520920⟩. ⟨hal-02353570⟩
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