Articles | Volume 13, issue 1
https://doi.org/10.5194/jsss-13-1-2024
https://doi.org/10.5194/jsss-13-1-2024
Regular research article
 | 
26 Jan 2024
Regular research article |  | 26 Jan 2024

Laser-tracker-based reference measurement for geometric calibration of phase-measuring deflectometry with active display registration

Yann Sperling and Ralf Bernhard Bergmann

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Short summary
Phase-measuring deflectometry is an optical shape measurement technique for reflective surfaces. The basic idea is that a pattern that is observed through reflection on a curved surface gets distorted and reveals information about its shape. In this work we describe a method to move the pattern to obtain data for quantitative shape determination. The experimental setup is calibrated. With a laser tracker we reveal calibration errors and discuss their influence on the reconstructed shape.