Comparison of phase shifting and spatial carrier methods for 2D to 3D image conversion

S. Lucia; N. Zahra; Suprijanto

doi:10.1117/12.2503420

11 April 2019 Comparison of phase shifting and spatial carrier methods for 2D to 3D image conversion

S. Lucia, N. Zahra, Suprijanto

Proceedings Volume 11044, Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018); 1104405 (2019) https://doi.org/10.1117/12.2503420
Event: Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018), 2018, Surabaya, Indonesia

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.

Citation Download Citation

S. Lucia, N. Zahra, and Suprijanto "Comparison of phase shifting and spatial carrier methods for 2D to 3D image conversion", Proc. SPIE 11044, Third International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2018), 1104405 (11 April 2019); https://doi.org/10.1117/12.2503420

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