A combined three-dimensional digitisation and subsurface defect detection data using active infrared thermography

Mohamed Belkacemi (1) , Christophe Stolz (1) , Alexandre Mathieu (2) , Guillaume Lemaître (1) , Olivier Aubreton (1)

1 Le2i - Laboratoire Electronique, Informatique et Image [UMR6306]
2 ICB - Laboratoire Interdisciplinaire Carnot de Bourgogne

In recent years, NonDestructive Testing (NDT) systems have been upgraded with three-dimensional information. Indeed, combine the three-dimensional and thermal information allows a more meaningful analysis. In the literature, the data for NDT and three-dimensional (3D) reconstruction analysis are commonly acquired from independent systems. However, the use of two such systems leads to error analysis during the data registration. In an attempt to overcome such problems, we propose a single system based on active thermography approach using heat point-source stimulation to get the 3D digitization as well as subsurface defect detection. The experiments are conducted on steel and aluminum objects, and a combined 3D / thermal-information is presented.

Domaines: Sciences de l'ingénieur [physics]; Traitement du signal et de l'image [eess.SP]

Mohamed Belkacemi, Christophe Stolz, Alexandre Mathieu, Guillaume Lemaître, Olivier Aubreton. A combined three-dimensional digitisation and subsurface defect detection data using active infrared thermography. 13th Quantitative Infrared Thermography Conference (QIRT), Jul 2016, Gdansk, Poland. ⟨hal-01320167⟩