Digital camera with motorized focus for high-precision measurements

V. Uffenkamp

doi:10.1117/12.169852

1 March 1994 Digital camera with motorized focus for high-precision measurements

V. Uffenkamp

Proceedings Volume 2252, Optical 3D Measurement Techniques II: Applications in Inspection, Quality Control, and Robotics; (1994) https://doi.org/10.1117/12.169852
Event: Optical 3D Measurement Techniques II: Applications in Inspection, Quality Control, and Robotics, 1993, Zurich, Switzerland

Abstract

The use of digital photogrammetric close-range systems for on-line measuring tasks is of special importance in industry. A camera with motorized focus is advantageous. High- precision measurements are possible, if an optonumerical-controlled sensor displacement is applied. Special illumination and filter technique inside the camera is used for the sensor orientation by means of reference marks projected onto the sensor. Investigations have been carried out to optimize the image analysis for reference mark measurements.

Citation Download Citation

V. Uffenkamp "Digital camera with motorized focus for high-precision measurements", Proc. SPIE 2252, Optical 3D Measurement Techniques II: Applications in Inspection, Quality Control, and Robotics, (1 March 1994); https://doi.org/10.1117/12.169852

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