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Improvement in automated Aluminum Casting Inspection by Finding Correspondence of Potential Flaws in Multiple Radioscopic Images

Domingo Mery, Dieter Filbert
Institute for Measurement Technology and Control Engineering,
Technical University of Berlin
Einsteinufer 19, Sekr. E2
D-10587 Berlin, Germany
Tel.: ++49 +30 314 73431, ++49 +30 314 22541
Fax: ++49 +30 314 25717
e-mail: domingo.mery@tu-berlin.de,dieter.filbert@tu-berlin.de
www: http://ima.ee.tu-berlin.de
Nejila Parspour
YXLON X-Ray International GmbH
Essener Str. 99, Gebäude 227
D-22419 Hamburg, Germany
Tel.: ++49 +40 5 27 29-306
Fax: ++49 +40 5 27 29-371
e-mail: nejila.parspour@hbg.yxlon.com
www: http://www.yxlon.de

Contact

ABSTRACT:

1. INTRODUCTION

2. DETECTION OF POTENTIAL FLAWS USING PXV 5000

3. TRACKING OF POTENTIAL FLAWS

4. NUMERICAL RESULTS

Fig 7: False and real detections in each step.

5. SUMMARY

AKNOWLEDGEMENTS

REFERENCES

  1. Boerner, H.; Strecker, H.: Automated X-Ray Inspection of Aluminum Casting, IEEE Trans. Pattern Analysis and Machine Intelligence, 10(1):79-91, 1988.
  2. Faugeras, O.: Three-Dimensional Computer Vision: A Geometric Viewpoint, The MIT Press, Cambridge MA, London. 1993.
  3. Filbert, D.; Klatte, R.; Heinrich, W.; Purschke, M.: Computer aided inspection of castings, In IEEE-IAS Annual Meeting, Atlanta, USA, 1087-1095, 1987.
  4. Hartley, R.: Multilinear Relationships between Coordinates of Corresponding Image Points and Lines, Proceedings of the International Workshop on Computer Vision and Applied Geometry, International Sophus Lie Center, Nordfjordeid, Norway, August 1995.
  5. Hecker, H.: Ein neues Verfahren zur robusten Röntgenbildauswertung in der automatischen Gußteilprüfung, Dissertation am Institut für Allgemeine Elektrotechnik, Technische Universität Berlin, 1995.
  6. Heinrich, W.: Automatische Röntgenserienprüfung von Gußteilen, Dissertation am Institut für Allgemeine Elektrotechnik, Technische Universität Berlin, 1988.
  7. Kosanetzky, J.; Putzbach, H.: Modern X-Ray Inspection in the Automotive Industry, proc. 14th world Conference of NDT, Dec. 8-13, New Delhi, 1996.
  8. Mery, D.; Filbert, D.: Epipolar Geometry in Radioscopic Images, Computerized Tomography for Industrial Applications and Image Processing in Radiology, DGZfP Proceedings BB 67-CD: 181-187, March 15-17, Berlin, Germany, 1999.
  9. Mery, D.; Filbert, D.: Flaw Tracking in the X-Ray Automated Inspection of Aluminum Castings, Technical Report 189, Institute for Measurement Technology and Control Engineering, Technical University of Berlin, November, 1999.
  10. Mery, D.; Filbert, D.: Verfolgung von Gußfehler in einer digitalen Roentgenbildsequenz, tm - Technisches Messen, 67( 4): 160-165, 2000.
  11. Schulenburg, H.; Purschke, M.: Advances in the Automatic Evaluation of Radioscopic Images, Computerized Tomography for Industrial Applications and Image Processing in Radiology, DGZfP Proceedings BB 67-CD: 241-243, March 15-17, Berlin, Germany, 1999.
  12. Shashua, A.: Trilinear Tensor: The Fundamental Construct of Multiple-view Geometry and its Applications. International Workshop on Algebraic Frames For The Perception Action Cycle (AFPAC), Kiel Germany Sep. 8-9, 1997.

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