·Table of Contents
·Aeronautics and Aerospace

Region-based wavelet fusion of ultrasonic, radiographic and shearographyc non-destructive testing images

Bogdan J. Matuszewski, Lik-Kwan Shark, Martin R. Varley,
Department of Engineering and Product Design, University of Central Lancashire
Preston, PR1 2HE, United Kingdom
John P. Smith,
Warton, Preston, PR 1AX, United Kingdom


1. Introduction

2. Image alignment

3. Structure decomposition

4. Wavelet domain fusion

5. Fusion results

6. Conclusions



  1. J. P. Smith, L.-K. Shark and T. J. Terrell, `Detection of aircraft component defects by low voltage excitation of ultrasonic transducers', Review of Progress in Quantitative Nondestructive Evaluation, Vol.16A, pp935-942, Plenum Press, 1997.
  2. B. J. Matuszewski, L.-K. Shark, M. R. Varley and J. P. Smith, Wavelet domain fusion of multiple NDT data sets for industrial inspection, Proceedings of NDT'99 and Corrosion'99, Poole, Dorset, 14-16 September 1999, pp. 19-24.
  3. B. J. Matuszewski, L.-K. Shark, J. P. Smith and M. R. Varley, `Automatic fusion of multiple non-destructive testing images and CAD models for industrial inspection', IEE 7th Int. Conf. on Image Processing and Its Applications, IPA'99, Manchester, pp661-665, 1999.
  4. I. Daubechies, `Ten lectures on wavelets', CBMS, SIAM, 61, 1994.
  5. W. K. Pratt, `Digital Image Processing', Wiley,1991.

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