Mr. Sheng Wei Profile

Sheng Wei

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Publications (2)

Proceedings Article | 1 December 2009 Paper

Research on projection grating pitch in GTAW surface sensing based on Fourier transform profilometry

Xian Hu, Nansheng Liu, Xiaopu Ai, Yiqing Wei, Xiaorui Liu, Sheng Wei

Proceedings Volume 7506, 750629 (2009) https://doi.org/10.1117/12.838399

KEYWORDS: Charge-coupled devices, Fourier transforms, 3D metrology, Fringe analysis, Imaging systems, Projection systems, Precision measurement, Spatial frequencies, 3D surface sensing, Phase measurement

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Proceedings Article | 23 November 2009 Paper

Anti aliasing technique in small object surface measurement

Sheng Wei, Nansheng Liu, Xiaorui Liu, Yiqing Wei, Xiaopu Ai, Xian Hu

Proceedings Volume 7508, 75081K (2009) https://doi.org/10.1117/12.838349

KEYWORDS: Fringe analysis, Wavelets, Wavelet transforms, Optical filters, Fourier transforms, Phase shifts, 3D image processing, Image processing, Cameras, Ronchi rulings

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