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Wrap reduction algorithm for Fringe Projection Profilometry

Arevalillo-Herráez, Miguel; Segura-García, Jaume; Arnau-González, Pablo; Katsigiannis, Stamos

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Authors

Miguel Arevalillo-Herráez

Jaume Segura-García

Pablo Arnau-González



Abstract

Carrier removal has been typically associated with wrap reduction, and its application has strongly been recommended as a previous step to phase unwrapping. In general, the carrier signal contributes to an increase of the number of wraps, and its removal leads to a reduction of the number of phase inconsistencies, having a positive impact on the subsequent unwrapping operation. In this paper, we show that phase wrap reduction can be better tackled by other alternative and more effective methods that exploit local information and attempt to also remove the signal component associated with the object’s surface. The results are analyzed on a series of real fringe patterns and confirm the better performance of the proposed method, which leads to signals with a lesser number of wraps than by just removing the carrier.

Citation

Arevalillo-Herráez, M., Segura-García, J., Arnau-González, P., & Katsigiannis, S. (2022). Wrap reduction algorithm for Fringe Projection Profilometry. Optics and Lasers in Engineering, 158, Article 107185. https://doi.org/10.1016/j.optlaseng.2022.107185

Journal Article Type Article
Acceptance Date Jul 10, 2022
Online Publication Date Jul 21, 2022
Publication Date 2022-11
Deposit Date Jul 11, 2022
Publicly Available Date Jun 21, 2023
Journal Optics and Lasers in Engineering
Print ISSN 0143-8166
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 158
Article Number 107185
DOI https://doi.org/10.1016/j.optlaseng.2022.107185

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