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Journal of Electronic Imaging

Nondestructive testing based on scanning-from-heating approach: application to nonthrough defect detection and fiber orientation assessment
Author(s): Mohamed Belkacemi; Christophe Stolz; Alexandre Mathieu; Guillaume Lemaitre; Joan Massich; Olivier Aubreton
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Paper Abstract

Today, industries ensure the quality of their manufactured products through computer vision techniques and nonconventional imaging. Three-dimensional (3-D) scanners and nondestructive testing (NDT) systems are commonly used independently for such applications. Furthermore, these approaches combined constitute hybrid systems, providing a 3-D reconstruction and NDT analysis. These systems, however, suffer from drawbacks such as errors during the data fusion and higher cost for manufacturers. In an attempt to solve these problems, a single active thermography system based on scanning-from-heating is proposed in this paper. In addition to 3-D digitization of the object, our contributions are twofold: (1) the nonthrough defect detection for a homogeneous metallic object and (2) fiber orientation assessment for a long fiber composite material. The experiments on steel and aluminum plates show that our method achieves the detection of nonthrough defects. Additionally, the estimation of the fiber orientation is evaluated on carbon-fiber composite material.

Paper Details

Date Published: 25 November 2015
PDF: 8 pages
J. Electron. Imag. 24(6) 061112 doi: 10.1117/1.JEI.24.6.061112
Published in: Journal of Electronic Imaging Volume 24, Issue 6
Show Author Affiliations
Mohamed Belkacemi, Univ. de Bourgogne (France)
Christophe Stolz, Univ. de Bourgogne (France)
Alexandre Mathieu, Univ. de Bourgogne (France)
Guillaume Lemaitre, Univ. de Bourgogne (France)
Univ. de Girona (Spain)
Joan Massich, Univ. de Bourgogne (France)
Olivier Aubreton, Univ. de Bourgogne (France)

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