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  4. Pattern coding strategies for deflectometric measurement systems
 
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2013
Conference Paper
Title

Pattern coding strategies for deflectometric measurement systems

Abstract
In this paper we assess the impact of different error sources on the deflectometric measurement. We provide an overview of previous work in this field and fill the gaps to provide a unified measurement model. The focus is on the parameters of a deflectometric setup with the objective to give practice-oriented guidelines for optimizing the deflectometric data acquisition. We will differentiate between systematic error sources which can be anticipated and compensated for and errors which are intrinsic to the deflectometric measurement method itself. In the later case possible trade-offs between parameters are highlighted to enable the optimization of a setup to a specific application.
Author(s)
Höfer, S.
Roschani, M.
Werling, Stefan
Mainwork
Videometrics, Range Imaging, and Applications XII, and Automated Visual Inspection  
Conference
Conference "Videometrics, Range Imaging, and Applications" 2013  
DOI
10.1117/12.2022133
Language
English
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Keyword(s)
  • deflectometry

  • phase-shifting

  • phase-error

  • surface-reconstruction

  • measurement uncertainty

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