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Tracking of a Handheld Ultrasonic Sensor for Corrosion Control on Pipe Segment Surfaces

  • Christian Bendicks
  • Erik Lilienblum
  • Christian Freye
  • Ayoub Al-Hamadi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8192)

Abstract

The article describes a combination of optical 3-d measurement technique and ultrasonic testing for areawide acquisition of wall thickness on piping segments. It serves the purpose to match automatically ultrasonic measurements to their 3-d positions at the examined pipe segment. The sensor, which is normally occluded by hand, is equipped with a cap with a number of attached LEDs. A model based approach is presented to track these LEDs and to visualise the measured wall thickness at a three-dimensional surface. Therefore the model of the cap is fitted to the segmented image data, so that the 3-d position of the ultrasonic sensor can be derived from computed model orientation. Our approach works robustly and can build the basis for further applications in real industrial environments.

Keywords

tracking photogrammetry 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Christian Bendicks
    • 1
  • Erik Lilienblum
    • 1
  • Christian Freye
    • 1
  • Ayoub Al-Hamadi
    • 1
  1. 1.Institute for Information Technology and CommunicationsOtto von Guericke UniversityMagdeburgGermany

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