Improvement of fringe quality for phase extraction in double digital fringe projection

Ubaldo Uribe-López; David Asael Gutiérrez-Hernández; Francisco J. Casillas-Rodríguez; Miguel Mora-González; Jesús Muñoz-Maciel

doi:10.1117/1.OE.58.9.092605

15 April 2019 Improvement of fringe quality for phase extraction in double digital fringe projection

Ubaldo Uribe-López, David Asael Gutiérrez-Hernández, Francisco J. Casillas-Rodríguez, Miguel Mora-González, Jesús Muñoz-Maciel

Author Affiliations +

Optical Engineering, Vol. 58, Issue 9, 092605 (April 2019). https://doi.org/10.1117/1.OE.58.9.092605

Abstract

A procedure to improve the quality of the extracted phase by a passband filter within the spatial frequency domain is proposed, using the double-digital fringe projection method for obtaining the contour of the surface of different objects. This method requires the digital projection of two fringe patterns to the same object to generate an interference pattern containing moiré fringes, which are related to the shape of the measured object. The proposed method pretends to remove remnant frequencies of the projected fringes keeping only the moiré pattern.

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Ubaldo Uribe-López, David Asael Gutiérrez-Hernández, Francisco J. Casillas-Rodríguez, Miguel Mora-González, and Jesús Muñoz-Maciel "Improvement of fringe quality for phase extraction in double digital fringe projection," Optical Engineering 58(9), 092605 (15 April 2019). https://doi.org/10.1117/1.OE.58.9.092605

Received: 1 December 2018; Accepted: 27 March 2019; Published: 15 April 2019

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