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Comparison of unwrapping strategies for a 3D measurement system based on a tailored free-form mirror for fringe generation

 
: Bräuer-Burchardt, Christian; Heist, Stefan; Kühmstedt, Peter; Notni, Gunther

:

Osten, Wolfgang:
Fringe 2013, 7th International Workshop on Advanced Optical Imaging and Metrology : 8.-11.9.2013, Nürtingen, Germany
Berlin: Springer, 2014
ISBN: 978-3-642-36359-7 (Online)
ISBN: 978-3-642-36358-0 (Print)
pp.229-232
International Workshop on Advanced Optical Imaging & Metrology (Fringe) <7, 2013, Nürtingen>
English
Conference Paper
Fraunhofer IOF ()

Abstract
Fringe projection is one of the established background procedure for contactless optical 3D surface measurement based on geometrical triangulation of corres-ponding image points. It is used to generate phase values which identify corresponding points. Fringe generation may be realized by conventional digital (DMD, LCoS) or by classical slide projection. However, recent developments provide the chances to use particular equipment to obtain certain advantages. The use of a tailored free-form mirror (FFM) for phase shifted fringe generation is such an unusual hardware for a 3D scanning system which was developed at our institute.

: http://publica.fraunhofer.de/documents/N-256428.html