Journal ArticleDOI
Improved non-destructive testing of carbon fiber reinforced polymer (CFRP) composites using pulsed thermograph
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TLDR
Wang et al. as mentioned in this paper used mathematical morphology (MM) for defect detection in carbon fiber reinforced polymer (CFRP) composites, where the non-uniform backgrounds in each image were conveniently constructed by MM.About:
This article is published in Polymer Testing.The article was published on 2015-09-01. It has received 52 citations till now. The article focuses on the topics: Carbon fiber reinforced polymer & Nondestructive testing.read more
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Optically and non-optically excited thermography for composites: A review
Ruizhen Yang,Yunze He +1 more
TL;DR: In this paper, a comprehensive review of thermography NDT techniques for composites inspection was conducted based on an orderly and concise literature survey and detailed analysis, and some research trends were predicted.
Journal ArticleDOI
Temporal and spatial deep learning network for infrared thermal defect detection
TL;DR: Results show that visual geometry group-Unet (VGG- unet) cross learning structure can significantly improve the contrast between the defective and non-defective regions.
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Sparse Principal Component Thermography for Subsurface Defect Detection in Composite Products
TL;DR: A sparse principal component thermography (SPCT) method is proposed, which inherits the advantages of PCT and allows more flexibility by introducing a penalization term, and provides more interpretable analysis results owing to its structure sparsity.
Journal ArticleDOI
The multi-dimensional ensemble empirical mode decomposition (MEEMD): An advanced tool for thermographic diagnosis of mosaics
Yuan Yao,S. Sfarra,S. Sfarra,S. Sfarra,Clemente Ibarra-Castanedo,Renchun You,Xavier Maldague +6 more
TL;DR: The multi-dimensional ensemble empirical mode decomposition technique was used—to the best of the authors' knowledge for the first time—as regards the thermographic diagnosis of mosaics, and seems to overcome the thermal barrier of the tessellatum layer, composed by aggregates of different natures, as typical in the Roman era.
References
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Journal ArticleDOI
A Perfect Smoother
TL;DR: This paper presents a smoother based on penalized least squares, extending ideas presented by Whittaker 80 years ago, which is extremely fast, gives continuous control over smoothness, interpolates automatically, and allows fast leave-one-out cross-validation.
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Pulse phase infrared thermography
Xavier Maldague,Sergio Marinetti +1 more
TL;DR: In this article, an approach combining both of pulse (PT) and modulated infrared thermography is proposed which combines simultaneously advantages both of PT and MODI, and the results are presented and the theory is discussed as well.
BookDOI
Nondestructive evaluation of materials by infrared thermography
TL;DR: In this paper, an overview of NDE using infrared thermography using external thermal stimulation and internal thermal stimulation is presented, along with a quantitative analysis of delaminations inspection of materials with low emissivity by thermal transfer imaging.
Journal ArticleDOI
Advances in pulsed phase thermography
TL;DR: In this article, the fundamental theory of pulsed phase thermography (PPT) processing method is presented including notes on thermal waves, pulsed thermography and lockin thermography.
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Comparative Study of Active Thermography Techniques for the Nondestructive Evaluation of Honeycomb Structures
Clemente Ibarra-Castanedo,Jean-Marc Piau,Stéphane Guilbert,Nicolas P. Avdelidis,Marc Genest,Abdelhakim Bendada,Xavier Maldague +6 more
TL;DR: In this article, the theoretical and experimental aspects of three active thermography approaches: pulsed thermography, lock-in thermography and vibrothermography are discussed in relation to the nondestructive evaluation (NDE) of honeycomb sandwich structures.