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Proceedings Paper

Real-time 3D imaging by using color structured light based on Hilbert transform
Author(s): Jiping Guo; Xiang Peng; Jiping Yu; Xiaoli Liu; Ameng Li; Meng Wang
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Paper Abstract

A method for real-time three-dimensional (3D) imaging based on Hilbert transform is proposed. Based on the properties of Hilbert transform and De Bruijn sequence, we design an encoding technique based on color fringe patterns to realize 3-D reconstruction of the phase distribution and range images. The calculation of phase map is implemented by using two sinusoidal fringe patterns with phase shifting 0 and π / 2 each other. Two phase-shifted fringe patterns are assigned to the red and blue channel of a color pattern, respectively. The phase unwrapping is accomplished with aid of the De Bruijn sequence pattern stored in the green channel. The experiment results show that the proposed method can not only acquire 3D data in real-time and one-shot fashion, but also obtain high-resolution and high-density range image data without any error propagation.

Paper Details

Date Published: 26 September 2013
PDF: 6 pages
Proc. SPIE 8856, Applications of Digital Image Processing XXXVI, 885624 (26 September 2013); doi: 10.1117/12.2022689
Show Author Affiliations
Jiping Guo, Shenzhen Univ. (China)
Shenzhen Academy of Metrology and Quality Inspection (China)
Xiang Peng, Shenzhen Univ. (China)
Jiping Yu, Shenzhen Academy of Metrology and Quality Inspection (China)
Xiaoli Liu, Shenzhen Univ. (China)
Ameng Li, Shenzhen Univ. (China)
Meng Wang, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 8856:
Applications of Digital Image Processing XXXVI
Andrew G. Tescher, Editor(s)

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