Beschreibung

The presented measurement system bases on modified videotheodolites developed within the last few years on the Institute of Geodesy and Geophysics, Vienna University of Technology (Austria). The fundamental idea of this system is to use the texture on the surface of the object to find "interesting points" by special image processing methods which can replace artificial targets. The disadvantage of such an on-line measurement system is the requirement for a well-trained "measurement expert" who has to have certain skills and experience to properly handle the complex system. To eliminate this disadvantage we implement a suitable decision system, which supports the operator. All decisions are done on the basis of appropriate values which represent the captured image and by means of a knowledge-based decision support system.

Autorentext

Alexander Reiterer, Dipl.-Ing. Dr.techn.: Studies of Geodesy withspecialization in Engineering Geodesy at the Vienna University ofTechnology (Austria). Doctor of Technical Science at ViennaUniversity of Technology (Austria). Guest Researcher at theUniversity of Calgary (Canada) and at the ETH Zurich (Switzerland).

The presented measurement system bases on modifiedvideotheodolites developed within the last few yearson the Institute of Geodesy and Geophysics, ViennaUniversity of Technology (Austria). The fundamentalidea of this system is to use the texture on thesurface of the object to find "interesting points" byspecial image processing methods which can replaceartificial targets. The disadvantage of such anon-line measurement system is the requirement for awell-trained "measurement expert" who has to havecertain skills and experience to properly handle thecomplex system. To eliminate this disadvantage weimplement a suitable decision system, which supportsthe operator. All decisions are done on the basis ofappropriate values which represent the captured imageand by means of a knowledge-based decision supportsystem.

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