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  4. Automated Defect Detection in Non-planar Objects Using Deep Learning Algorithms
 
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2022
Journal Article
Title

Automated Defect Detection in Non-planar Objects Using Deep Learning Algorithms

Abstract
The non-uniformity of non-planar object inspection data makes their analysis challenging. This paper reports a study of the use of recurrent neural network and artificial feed-forward neural network in pulsed thermography during the automated inspection of non-planar carbon fiber reinforced plastic samples. The time series, including the raw temperature-time series and sequenced signals obtained from the first derivative after thermographic signal reconstruction was used to train and test the models respectively. Quantitative comparisons of testing results showed that the long short-term memory recurrent neural network model was more accurate in handling time dependent information compared to the artificial feed-forward neural network model.
Author(s)
Tao, Yuntao
School of Physics and Electronics, Central South University, Hunan, China
Hu, Caiqi
School of Physics and Electronics, Central South University, Hunan, China
Zhang, Hai
Centre for Composite Materials and Structures, Harbin Institute of Technology, Harbin, China
Osman, Ahmad  
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Ibarra-Castanedo, Clemente
Computer Vision and Systems Laboratory, Department of Electrical and Computer Engineering, Université Laval, Québec, Canada
Fang, Qiang
Computer Vision and Systems Laboratory, Department of Electrical and Computer Engineering, Université Laval, Québec, Canada
Sfarra, Stefano
Department of Industrial and Information Engineering and Economics, University of L'Aquila, L'Aquila, Italy
Dai, Xiaobiao
School of Physics and Electronics, Central South University, Hunan, China
Maldague, Xavier P.V.
Computer Vision and Systems Laboratory, Department of Electrical and Computer Engineering, Université Laval, Québec, Canada
Duan, Yuxia
School of Physics and Electronics, Central South University, Hunan, China,
Journal
Journal of Nondestructive Evaluation  
DOI
10.1007/s10921-022-00845-6
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • pulsed thermography

  • non-planar

  • carbon fiber reinforced plastic

  • long short-term memory recurrent neural network

  • artificial feed-forward neural networks

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