3D shape measurement based on Hilbert transform

Feng-peng Wang; Ying-mao Xie; Jin-shui Guo; Zhen Yin; Li-ping Chen

doi:10.1117/12.897371

19 August 2011 3D shape measurement based on Hilbert transform

Feng-peng Wang, Ying-mao Xie, Jin-shui Guo, Zhen Yin, Li-ping Chen

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 81920I (2011) https://doi.org/10.1117/12.897371
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Traditional phase shifting shape measurement techniques not suitable for dynamic measurement because it need a certain number of pieces of fringe pattern. In this paper, the basic principle of the fringe projection shape measurement technique was introduced, the method of single fringe pattern phase extraction by Hilbert transform was discussed, and conducted three-dimensional shape measurement tests. Experimental results show that 3-D shape measurement can be achieved by Hilbert transform phase-shifting, and it suitable for dynamic measurement.

Citation Download Citation

Feng-peng Wang, Ying-mao Xie, Jin-shui Guo, Zhen Yin, and Li-ping Chen "3D shape measurement based on Hilbert transform", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81920I (19 August 2011); https://doi.org/10.1117/12.897371

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KEYWORDS

Fringe analysis

3D metrology

Phase shifts

Computer simulations

Projection systems

Biosensing

Computer aided design

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