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Color encoding of binary fringes for gamma correction in 3-D profiling |
Optics Letters, Vol. 37, Issue 8, pp. 1325-1327 (2012)
http://dx.doi.org/10.1364/OL.37.001325
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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.
© 2012 Optical Society of America
OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: December 27, 2011
Revised Manuscript: February 27, 2012
Manuscript Accepted: February 28, 2012
Published: April 6, 2012
Citation
Gastón A. Ayubi, J. Matías Di Martino, Julia R. Alonso, Ariel Fernández, Jorge L. Flores, and José A. Ferrari, "Color encoding of binary fringes for gamma correction in 3-D profiling," Opt. Lett. 37, 1325-1327 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-8-1325
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