Article (Scientific journals)
Using the Unsupervised Mixture of Gaussian Models for Multispectral Non-destructive Evaluation of the Replica of Botticelli’s “The Birth of Venus”
Li, Qi; Zhang, Hai; Hu, Jue et al.
2023In Journal of Nondestructive Evaluation, 42 (2)
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Keywords :
Cultural heritage; Image processing; Infrared thermography; Machine learning; Non-destructive testing; Painting; Terahertz; Background segmentation; Cultural heritages; Gaussian modeling; Images processing; Machine-learning; Mixture of Gaussians; Non destructive testing; Segmentation algorithms; Tera Hertz; Terahertz time-domain spectroscopy; Mechanics of Materials; Mechanical Engineering
Abstract :
[en] With increasing attention paid to the protection of cultural relics, non-destructive testing (NDT) technologies are thought to be profoundly rewarding, resulting in a widespread uptake of feature-extraction algorithms and defect-detection techniques. Among various alternatives, infrared thermography (IRT) and Terahertz time-domain spectroscopy (THz-TDS) are non-invasive in nature and thus are appropriate for applications involving ancient buildings and artworks. The present study is motivated by the fact that online/offline background segmentation algorithms based on the Gaussian mixture model and widely used in video processing to distinguish between foreground and background, can be successfully integrated as a feature extraction tool with NDT. Since IRT and THz-TDS image sequences resemble a video, the image length and width can be taken as the first two dimensions, and time can serve as the third one. Such sequences can be processed effectively by the background segmentation algorithms, thus can help detect defects of different types at varying depths. The experimental section of the paper considers a tempera painting (a replica of Botticelli’s “The Birth of Venus”) with artificiallyintroduced defects. For benchmarking purposes, the background segmentation algorithms (based on a mixture of Gaussian models) are compared with the fast Fourier transform and principal component analysis to demonstrate the superior performance of the proposed novel algorithms.
Research Center/Unit :
CSL - Centre Spatial de Liège - ULiège
Disciplines :
Physics
Author, co-author :
Li, Qi;  School of Automation Science and Engineering, South China University of Technology, Guangzhou, China ; Computer Vision and Systems Laboratory (CVSL), Department of Electrical and Computer Engineering, Laval University, Quebec, Canada
Zhang, Hai ;  Centre for Composite Materials and Structures (CCMS), Harbin Institute of Technology, Harbin, China ; Computer Vision and Systems Laboratory (CVSL), Department of Electrical and Computer Engineering, Laval University, Quebec, Canada
Hu, Jue;  Centre for Composite Materials and Structures (CCMS), Harbin Institute of Technology, Harbin, China
Sfarra, Stefano;  Department of Industrial and Information Engineering and Economics, University of L’Aquila, L’Aquila, Italy
Mostacci, Miranda;  Professional Restorer, Celano, Italy
Yang, Dazhi;  School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China
Georges, Marc ;  Université de Liège - ULiège > Centres généraux > CSL (Centre Spatial de Liège)
Vavilov, Vladimir P.;  Tomsk Polytechnic University, Tomsk, Russian Federation
Maldague, Xavier P. V.;  Computer Vision and Systems Laboratory (CVSL), Department of Electrical and Computer Engineering, Laval University, Quebec, Canada
Language :
English
Title :
Using the Unsupervised Mixture of Gaussian Models for Multispectral Non-destructive Evaluation of the Replica of Botticelli’s “The Birth of Venus”
Publication date :
June 2023
Journal title :
Journal of Nondestructive Evaluation
ISSN :
0195-9298
eISSN :
1573-4862
Publisher :
Springer
Volume :
42
Issue :
2
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Mitacs
MRIF - Gouvernement du Québec. Ministère des Relations internationales et de la Francophonie
NSERC - Natural Sciences and Engineering Research Council
CRCs - Canada Research Chairs
Funding text :
Qi Li acknowledges the Mitacs Globalink Research Internship Program under Award No.113342 and the China Scholarship Council (CSC) under award No.202106155015.This work is supported by the Canada Research Chair in Multipolar Infrared Vision (MiViM), the Natural Sciences and Engineering Research Council (NSERC) of Canada through the Discovery Grant program and the Create-oN DuTy! Program. This work is also supported by the Ministère des Relations internationales et de la Francophonie (MRIF) through the 11th Coopération Québec-Wallonie-Bruxelles project «11.812 Contrôle NonDestructif par Imagerie Numérique et TeraHertz (CINTera)» and Mitacs [Globalink Research Internship Program under Award No. 113342].
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