Circular Coded Target and Its Application to Optical 3D-Measurement Techniques

  • Sung Joon Ahn
  • Wolfgang Rauh
Part of the Informatik aktuell book series (INFORMAT)


One of the primary but tedious tasks for the user and developer of an optical 3D- measurement system is to find the homologous image points in multiple images - a task that is frequently referred to as the correspondence problem. With the solution, the error-free correspondence and accurate measurement of image points are of great importance, on which the qualitative results of the succeeding 3D-measurement are immediately dependent. In fact, the automation of measurement processes is getting more important with developments in production and hence of increasing topical interest. In this paper, we present a circular coded target for automatic image point measurement and identification, its data processing and application to some optical 3D-measurement methods.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Sung Joon Ahn
    • 1
  • Wolfgang Rauh
    • 1
  1. 1.Fraunhofer Institute for Manufacturing Engineering and Automation IPAStuttgartGermany

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