Phase retrieving using a single-shot by projection of a colored pattern

César M. Gonzalez; G. García Torales; Jorge L. Flores; Antonio Muñoz

doi:10.1117/12.2567366

20 August 2020 Phase retrieving using a single-shot by projection of a colored pattern

César M. Gonzalez, G. García Torales, Jorge L. Flores, Antonio Muñoz

Proceedings Volume 11502, Infrared Remote Sensing and Instrumentation XXVIII; 115020O (2020) https://doi.org/10.1117/12.2567366
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Conference Poster

Abstract

The optical profilometry techniques have become more and more used in dynamic 3-D shape measurement. In particular, there are two problems to overcome. One is to recover the phase from a single fringe. The second problem is the phase recovering from a pattern avoiding that the harmonics introduced by the projector. In this work, we analyzed two kinds of techniques: off-axis and slightly off-axis interferometry algorithms for phase retrieval. The Hilbert transform is implemented in both cases. Validation experiments are presented.

Conference Presentation

Citation Download Citation

César M. Gonzalez, G. García Torales, Jorge L. Flores, and Antonio Muñoz "Phase retrieving using a single-shot by projection of a colored pattern", Proc. SPIE 11502, Infrared Remote Sensing and Instrumentation XXVIII, 115020O (20 August 2020); https://doi.org/10.1117/12.2567366

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