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Comparison of phase shifting and spatial carrier methods for 2D to 3D image conversion
Author(s): S. Lucia; N. Zahra; Suprijanto
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Paper Abstract

Profile measurement system based on optical method is becoming widely applied. Among many methods that has been developed, Digital Fringe Projection Profilometry (DFPP) technique provides high resolution results. In processing the 2D image to 3D image, DFPP goes through some steps, which are phase extraction, phase unwrapping, and baseline offset removal. The most important step is phase extraction because this part will extract the deformed fringe information that can determine the accuracy of the 3D reconstruction results. In this paper, there are two methods of phase extraction that is observed, which are phase shifting interferometry and spatial carrier interferometry. Experiments are done with a specific made object that has 3 depths and 2 types of indentations. The results of each phase extraction methods are compared on not only how they reconstruct the flat part and the indentation type, but also how they restore the depth information.

Paper Details

Date Published: 11 April 2019
PDF: 6 pages
Proc. SPIE 11044, Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018), 1104405 (11 April 2019); doi: 10.1117/12.2503420
Show Author Affiliations
S. Lucia, Institut Teknologi Bandung (Indonesia)
N. Zahra, Institut Teknologi Bandung (Indonesia)
Suprijanto, Institut Teknologi Bandung (Indonesia)

Published in SPIE Proceedings Vol. 11044:
Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018)
Aulia M. T. Nasution; Agus Muhamad Hatta, Editor(s)

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