Color encoding of binary fringes for gamma correction in 3-D profiling

Gastón A. Ayubi; J. Matías Di Martino; Julia R. Alonso; Ariel Fernández; Jorge L. Flores; José A. Ferrari

doi:10.1364/OL.37.001325

Color encoding of binary fringes for gamma correction in 3-D profiling

Gastón A. Ayubi, J. Matías Di Martino, Julia R. Alonso, Ariel Fernández, Jorge L. Flores, José A. Ferrari

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Three-dimensional profiling by sinusoidal fringe projection using PSI-algorithms are distorted by the nonlinear response of digital cameras and commercial video projectors. To solve the problem, we present a fringe generation technique that consists of projecting and acquiring a temporal sequence of strictly binary color patterns, whose (adequately weighted) average leads to sinusoidal fringe patterns with the required number of bits, which allows for a reliable three-dimensional profile using a PSI-algorithm. Validation experiments are presented.

Original language	English
Pages (from-to)	1325-1327
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	8
DOIs	https://doi.org/10.1364/OL.37.001325
State	Published - 15 Apr 2012
Externally published	Yes

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AU - Di Martino, J. Matías

AU - Alonso, Julia R.

AU - Fernández, Ariel

AU - Flores, Jorge L.

AU - Ferrari, José A.

PY - 2012/4/15

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AB - Three-dimensional profiling by sinusoidal fringe projection using PSI-algorithms are distorted by the nonlinear response of digital cameras and commercial video projectors. To solve the problem, we present a fringe generation technique that consists of projecting and acquiring a temporal sequence of strictly binary color patterns, whose (adequately weighted) average leads to sinusoidal fringe patterns with the required number of bits, which allows for a reliable three-dimensional profile using a PSI-algorithm. Validation experiments are presented.

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Color encoding of binary fringes for gamma correction in 3-D profiling

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