NDT.net - December 2002, Vol. 7 No.12

CONTRIBUTION TO THE DEVELOPMENT OF A RADIOGRAPHIC INSPECTION AUTOMATED SYSTEM

Romeu Ricardo da Silva, Marcio H. S. Siqueira , Ivan C. da Silva, Antonio A. de Carvalho and Joדo Marcos A. Rebello.
Department of Metallurgical and Materials Engineering
Luiz P. Calפba
Department of Electrical Engineering, Federal University of Rio de Janeiro (UFRJ),
P.O Box 68504 CEP 21945-970 Rio de Janeiro RJ Brazil
E-mail:romeu@metalmat.ufrj.br
Paper presented at the 8th ECNDT, Barcelona, June 2002

Abstract

Introduction

Experimental Methodology

Presentation and Discussion of Results

Conclusions

References

  1. Aoki K., Suga Y., “Intelligent Image Processing for Abstraction and Discrimination of Defect Image in Radiographic Film”, Proceeding of the Seventh International Offshore and Polar Engineering Conference, Honolulu, USA, may 25-30, 1997, pp. 527-531.
  2. Aoki K., Suga Y., “Application of Artificial Neural Network to Discrimination of Defect Type Automatic Radiographic Testing of Welds”, ISI International, vol. 39, No.10,1999, pp.1081-1087.
  3. Liao T.W., Ni J., “An Automated Radiographic NDT System for Weld Inspection: Part I – Weld Extraction”, NDT&E International, vol. 29, No.3, 1996, pp.157-162.
  4. Liao T.W., Ni J., “An Automated Radiographic NDT System for Weld Inspection: Part II – Flaw Detection”, NDT&E International, vol. 31, No.3,1998, pp.183-192.
  5. Liao T.W., Li D. and Li Y., “Extraction of Welds from Radiographic Images using Fuzzy Classifiers, Information Sciences”, vol.126, 2000, pp. 21-40.
  6. Jacobsen C., Zscherpel U. and Nockemann C., “Crack Detection in Digitized Radiographs with Neuronal Methods”, 7th European Conference on Non-Destructive Testing, Copenhagen, 26-29 may, 1998, pp. 2717-2724.
  7. Jagannathan H., Bahaskar N et, “A Step Towards Automatic Defect Pattern Analysis and Evaluation in Industrial Radiography using Digital Image Processing”, 15th World Conference on Non-Destructive Testing, Rome, 15-21 October, 2000.
  8. Nafaג N., Redounane et al, “Weld Defect Extraction and Classification in Radiographic Testing Based Artificial Neural Networks”, 15th World Conference on Non-Destructive Testing, Rome, 15-21 October, 2000.
  9. Da Silva R.R, “Images Processing Radiographic and Analysis of Defects in Weld Bead”, Master’s Degree, PEMM/COPPE/UFRJ, April, 1999.
  10. Murakami K., “Image Processing for Nondestructive Testing, Welding International”, vol.4, No.2, pp.144-149, 1998.
  11. Kato Y., Okumura T. and Matsui S. et al, “Development of an Automatic Weld Defect Identification System for Radiographic Testing”, Welding in the Word, vol. 30, No.7/8, pp.182-188, 1992.
  12. Chatfield, C., The Analysis of Time Series – An Introduction, Chapman and Hall, fourth edition, 1989.
  13. Haykin, S., Redes Neurais – Princםpios e Prבtica, Bookman, 2a ediחדo, Porto Alegre, 2001.
  14. Romeu R. da Silva, Marcio H. S. Siqueira. et al, “Radiographics Pattern Recognition of Welding Defects using Linear Classifiers”, Insight, vol.43, No. 10, October, 2001, pp.669- 674.

© NDT.net - info@ndt.net |Top|