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Dr. Chunwei Zhang
Dr. at Xi'an Jiaotong Univ
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Publications (4)
Proceedings Article | 1 November 2021 Paper
A novel pattern-free phase unwrapping algorithm
Proceedings Volume 12057, 120571B (2021) https://doi.org/10.1117/12.2604755
KEYWORDS: Structured light, Optical metrology, Phase measurement, Phase shifting, Phase retrieval, Fringe analysis, 3D metrology, Phase shifts, Projection systems, Cameras, Calibration, Imaging systems, Edge detection, Digital Light Processing
Proceedings Article | 16 October 2019 Paper
Fast correction method for the fringe order error in multi-frequency phase unwrapping algorithm
Chunwei Zhang, Hong Zhao, Zhenyang Zhang, Jiacheng Qiao, Juntong Xi, Anand Asundi
Proceedings Volume 11205, 112050F (2019) https://doi.org/10.1117/12.2541665
KEYWORDS: Edge detection, Fringe analysis, Error analysis, 3D metrology, Mechanical engineering, Optics manufacturing, Optical testing, Interferometry
Proceedings Article | 23 August 2017 Paper
Robust phase unwrapping algorithm for 3D profile measurement applications
Proceedings Volume 10373, 1037312 (2017) https://doi.org/10.1117/12.2277109
KEYWORDS: Phase measurement, 3D applications, 3D metrology, Fringe analysis, Coherence imaging, Imaging systems
Proceedings Article | 19 February 2015 Paper
Phase unwrapping algorithm based on double-frequency fringe projection and fringe background
Proceedings Volume 9449, 944905 (2015) https://doi.org/10.1117/12.2075884
KEYWORDS: Phase shifts, 3D metrology, Phase shift keying, Signal to noise ratio, 3D modeling, Image resolution, Fringe analysis, Calibration, Manufacturing, Systems engineering
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