Binary coded triangular fringes for 3-D surface-shape measurement

Jorge L. Flores; García Torales; José A. Ferrari; Gastón Ayubi; Oscar Ed Castillo; Matías Di Martino

doi:10.1364/AO.52.003576

Binary coded triangular fringes for 3-D surface-shape measurement

Jorge L. Flores, García Torales, José A. Ferrari, Gastón Ayubi, Oscar Ed Castillo, Matías Di Martino

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

14 Scopus citations

Abstract

We present a method for synthesizing triangular intensity fringes as a way to solve the problems caused by projector/camera gamma nonlinearity in triangular-pattern phase-shifting profilometry. The fringe generation technique consists of projecting and acquiring a temporal sequence of strictly binary color patterns (code gray), whose (adequately weighted) average leads to triangular fringe patterns with the required number of bits, which allows a reliable three-dimensional profile reconstruction using these methods. Validation experiments are presented.

Original language	English
Pages (from-to)	3576-3582
Number of pages	7
Journal	Applied Optics
Volume	52
Issue number	15
DOIs	https://doi.org/10.1364/AO.52.003576
State	Published - 20 May 2013
Externally published	Yes

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abstract = "We present a method for synthesizing triangular intensity fringes as a way to solve the problems caused by projector/camera gamma nonlinearity in triangular-pattern phase-shifting profilometry. The fringe generation technique consists of projecting and acquiring a temporal sequence of strictly binary color patterns (code gray), whose (adequately weighted) average leads to triangular fringe patterns with the required number of bits, which allows a reliable three-dimensional profile reconstruction using these methods. Validation experiments are presented.",

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AU - Ferrari, José A.

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AU - Castillo, Oscar Ed

AU - Di Martino, Matías

PY - 2013/5/20

Y1 - 2013/5/20

N2 - We present a method for synthesizing triangular intensity fringes as a way to solve the problems caused by projector/camera gamma nonlinearity in triangular-pattern phase-shifting profilometry. The fringe generation technique consists of projecting and acquiring a temporal sequence of strictly binary color patterns (code gray), whose (adequately weighted) average leads to triangular fringe patterns with the required number of bits, which allows a reliable three-dimensional profile reconstruction using these methods. Validation experiments are presented.

AB - We present a method for synthesizing triangular intensity fringes as a way to solve the problems caused by projector/camera gamma nonlinearity in triangular-pattern phase-shifting profilometry. The fringe generation technique consists of projecting and acquiring a temporal sequence of strictly binary color patterns (code gray), whose (adequately weighted) average leads to triangular fringe patterns with the required number of bits, which allows a reliable three-dimensional profile reconstruction using these methods. Validation experiments are presented.

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Binary coded triangular fringes for 3-D surface-shape measurement

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