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

NEW TECHNIQUE FOR PIPES WALL THICKNESS ASSESSMENT CONSIDERING SCATTERING EFFECT

V.L Vengrinovich, Y.Denkevich, S.Zolotarev, A.Kuntsevich, S.Emelyanenkov. ,
Institute of Applied Physics, Belarus Academy of Sciences, Belarus, e-mail: veng@iaph.bas-net.by
U.Zscherpel, G.-R. Tillack, C.Mueller. Bundesanstalt für Materialforschung und Prüfung, Germany,
e-mail: Gerd-Ruediger.Tillack@bam.de
Paper presented at the 8th ECNDT, Barcelona, June 2002

Abstract

Introduction

General reconstruction concept

2D image reconstruction from fuzzy cut

3D pipe’s image reconstruction

CONCLUSION

References

  1. V. Vengrinovich,Y. Denkevich and G.-R. Tillack,“Reconstruction of Three-Dimensional Binary Structures from an Extremely Limited Number of Cone-Beam x-ray Projections Choise of Prior”. Journal of Phys., D:Applied Physics. V.32, 1999, pp. 2505-2514.
  2. V. Vengrinovich, Yu. Denkevich, G.-R. Tillack, U.Ewert and B.Redmer, “Bayesian Restoration of Crack Images in Welds from Incomplete Noisy Data”. Review of Progress in QNDE, ed. by D. O. Tompson and D. E. Chimenti, v. 19A, American Institute of Physics, Melville-N.Y., 2000, pp.635-642.
  3. V. Vengrinovich, Yu. Denkevich, and G.-R. Tillack, “Bayesian 3D x-ray reconstruction from incomplete noisy data”. In book: Maximum Entropy and Bayesian Methods, ed. by W.von der Linden et. al., Kluwer Academic Publishers, 1999, pp. 73-83.
  4. Zolotarev S.A., Vengrinovich V.L. and G.-R.Tillack. “3D Reconstruction of Flaw Images with Inter -Iterational Suppression of Shadow Artefacts”. Rev. Prog. In QNDE, Vol 16, ed. By D.O. Thompson and D.E. Chimenti, Plenum Press New-York, 1997.
  5. V.M. Artemjev, A.O.Naumov, G.-R.Tillack and C.Bellon, “Simulation of Scattering Process in Radiation Techniques exploiting the Theory of Markovian Processes”, Rev. Prog. In QNDE, Vol 16, ed. By D.O. Thompson and D.E. Chimenti, Plenum Press New- York, 1997, pp.309-316.
  6. V. Vengrinovich, S. Zolotarev, A. Kuntsevich and Gerd-Rüdiger Tillack. New Technique for 2D and 3D X-ray Image Restoration of Pipes in Service Given a Limited Access for Observation. Rev. Prog. In QNDE, Vol 20, ed. By D.O. Thompson and D.E. Chimenti, Plenum Press New-York, 2001, pp. 756-763

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