OPTICAL METHODS FOR SHAPE MEASUREMENT

3-D shape measurement of complex objects by combining photogrammetry and fringe projection

[+] Author Affiliations
Carsten Reich, Reinhold Ritter, Jan Thesing

Technical University of Braunschweig, Institute of Metrology and Experimental Mechanics, Schleinitzstraße 20, D-38106?Braunschweig, Germany

Opt. Eng. 39(1), 224-231 (Jan 01, 2000). doi:10.1117/1.602356
History: Received May 5, 1999; Revised Aug. 10, 1999; Accepted Aug. 10, 1999
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Abstract

A new concept for 3-D shape measurement of complex objects is proposed, which is based on photogrammetry and fringe projection. The shape of a partial view is determined by a combination of the phase-shift method for fringe evaluation and a photogrammetric triangulation to calculate the 3-D coordinates related to the sensor coordinate system. For the measurement of complex objects, partial views are taken from different sensor positions. The problem of matching the partial views into each other is solved by transforming each sensor position and the relating point cloud of the shape in a global coordinate system by photogrammetric matching of reference targets. © 2000 Society of Photo-Optical Instrumentation Engineers.

© 2000 Society of Photo-Optical Instrumentation Engineers

Citation

Carsten Reich ; Reinhold Ritter and Jan Thesing
"3-D shape measurement of complex objects by combining photogrammetry and fringe projection", Opt. Eng. 39(1), 224-231 (Jan 01, 2000). ; http://dx.doi.org/10.1117/1.602356


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