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22 December 2000 Implementation and calibration of a multisensor measuring system
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Proceedings Volume 4309, Videometrics and Optical Methods for 3D Shape Measurement; (2000)
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States
We present our work on the implementation and calibration of a multisensor measuring system. The work is part of a large scale research project on optical measurement using sensor actuator coupling and active exploration. This project is a collaboration of researchers form seven institutes of the University of Stuttgart including photogrammetry, mechanical engineering and computer science. The system consist of optical sensors which can be manipulated in position and orientation by robot actuators, and light sources which control illumination. The system performs different tasks including object recognition, localization and gauging. Flexibility is achieved by replacing the common serial measurement chain by nested control loops involving autonomous agents which perform basic tasks in a modular fashion. The system is able to inspect and gauge several parts from a set of parts sorted in a 3D model database. The paper gives an overview of the entire system and details some of the photogrammetry-related aspects such as the calibration of the different sensors, the calibration of the measurement robot using photogrammetric measurements, as well as data processing steps like segmentation, object pose determination, and gauging.
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Jan Boehm, Jens Guehring, and Claus Brenner "Implementation and calibration of a multisensor measuring system", Proc. SPIE 4309, Videometrics and Optical Methods for 3D Shape Measurement, (22 December 2000);

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