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Sensors 2009, 9(12), 10326-10340; doi:10.3390/s91210326

A 3D Sensor Based on a Profilometrical Approach

* ,
Facultad de Informatica, Universidad Autonoma de Queretaro, Av. de las Ciencias S/N, Juriquilla, C.P. 76230, Queretaro, Mexico
* Author to whom correspondence should be addressed.
Received: 2 November 2009 / Revised: 7 December 2009 / Accepted: 15 December 2009 / Published: 21 December 2009
(This article belongs to the Special Issue Image Sensors)
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An improved method which considers the use of Fourier and wavelet transform based analysis to infer and extract 3D information from an object by fringe projection on it is presented. This method requires a single image which contains a sinusoidal white light fringe pattern projected on it, and this pattern has a known spatial frequency and its information is used to avoid any discontinuities in the fringes with high frequency. Several computer simulations and experiments have been carried out to verify the analysis. The comparison between numerical simulations and experiments has proved the validity of this proposed method.
Keywords: 3D reconstruction; image processing; segmentation; Fourier transform; wavelet transform 3D reconstruction; image processing; segmentation; Fourier transform; wavelet transform
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Pedraza-Ortega, J.C.; Efren Gorrostieta-Hurtado, E.; Delgado-Rosas, M.; Canchola-Magdaleno, S.L.; Ramos-Arreguin, J.M.; Aceves Fernandez, M.A.; Sotomayor-Olmedo, A. A 3D Sensor Based on a Profilometrical Approach. Sensors 2009, 9, 10326-10340.

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