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Suppression of contrast-related artefacts in phase-measuring structured light techniques

: Zhong, L.; Burke, Jan

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DGaO-Proceedings. Online journal (2017), Paper B13, 2 pp.
ISSN: 1614-8436
Deutsche Gesellschaft für Angewandte Optik (DGaO Jahrestagung) <118, 2017, Dresden>
Journal Article, Conference Paper, Electronic Publication
Fraunhofer IOSB ()

In fringe-projection and deflectometric measurements that use structured illumination, measurement artefacts can be observed around abrupt changes of surface reflectivity. This can lead to incorrect error classification. We explore the origin of the phenomenon by simulation and modelling, and offer a first attempt at correcting these errors.