Processing sequence for non-destructive inspection based on 3D terahertz images

H. Balacey; Jean-Baptiste Perraud; J. Bou Sleiman; Jean-Paul Guillet; B. Recur; P. Mounaix

doi:10.1117/12.2071889

11 November 2014 Processing sequence for non-destructive inspection based on 3D terahertz images

H. Balacey, Jean-Baptiste Perraud, J. Bou Sleiman, Jean-Paul Guillet, B. Recur, P. Mounaix

Proceedings Volume 9275, Infrared, Millimeter-Wave, and Terahertz Technologies III; 92750J (2014) https://doi.org/10.1117/12.2071889
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

In this paper we present an innovative data and image processing sequence to perform non-destructive inspection from 3D terahertz (THz) images. We develop all the steps starting from a 3D tomographic reconstruction of a sample from its radiographs acquired with a monochromatic millimetre wave imaging system. Thus an automated segmentation provides the different volumes of interest (VOI) composing the sample. Then a 3D visualization and dimensional measurements are performed on these VOI, separately, in order to provide an accurate nondestructive testing (NDT) of the studied sample. This sequence is implemented onto an unique software and validated through the analysis of different objects

Citation Download Citation

H. Balacey, Jean-Baptiste Perraud, J. Bou Sleiman, Jean-Paul Guillet, B. Recur, and P. Mounaix "Processing sequence for non-destructive inspection based on 3D terahertz images", Proc. SPIE 9275, Infrared, Millimeter-Wave, and Terahertz Technologies III, 92750J (11 November 2014); https://doi.org/10.1117/12.2071889

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