Dr. BaoAn Song Profile

Dr. BaoAn Song

Associate Professor at Ningbo Univ

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Author

Publications (8)

SPIE Journal Paper | 28 October 2024

Single frame digital phase-shift fringe projection profilometry based on symmetry transform

Meili Hu, Yang Chen, Hailing Hu, Peiqing Zhang, Xiang Shen, Baoan Song

OE, Vol. 63, Issue 10, 104106, (October 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.10.104106

KEYWORDS: Scanning tunneling microscopy, Fringe analysis, Deformation, 3D metrology, Tunable filters, 3D image processing, Optical engineering, Interpolation, Signal to noise ratio, Optical filters

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Proceedings Article | 18 July 2024 Paper

High-frequency phase-unwrapping fringe projection profilometry based on period background coding and geometric constraints

Bingquan Guo, Yibo Wu, Rui Di, Baoan Song

Proceedings Volume 13179, 131791O (2024) https://doi.org/10.1117/12.3031595

KEYWORDS: Phase unwrapping, Fringe analysis, Signal to noise ratio, Cameras, 3D metrology, Projection systems, 3D projection, Phase shifts, Neodymium, Imaging systems

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SPIE Journal Paper | 26 March 2024

Method for measuring the three-dimensional profile of moving objects based on neural network position transformation

Yibo Wu, Rui Di, Bingquan Guo, Hailing Hu, Peiqing Zhang, Xiang Shen, Baoan Song

OE, Vol. 63, Issue 03, 034106, (March 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.3.034106

KEYWORDS: Neural networks, 3D metrology, Phase shifts, Education and training, Fringe analysis, Cameras, Optical engineering, 3D modeling, Matrices, Image segmentation

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SPIE Journal Paper | 19 December 2022

Three-dimensional profilometry method with single-frame multifrequency composite projection fringe

Hailing Hu, Yang Chen, Peiqing Zhang, Xiang Shen, Shixun Dai, Baoan Song

OE, Vol. 61, Issue 12, 124107, (December 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.12.124107

KEYWORDS: Phase unwrapping, Deformation, Tunable filters, Fringe analysis, 3D metrology, Signal to noise ratio, 3D projection, Error analysis, 3D mask effects, Optical filters

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SPIE Journal Paper | 6 September 2021

Fast two-step phase-shifting method for measuring the three-dimensional contour of objects

Yang Chen, Baoan Song, Renji He, Hailing Hu, Simao Chen

OE, Vol. 60, Issue 09, 094104, (September 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.9.094104

KEYWORDS: Phase shifts, Signal to noise ratio, Electronic filtering, 3D metrology, Fringe analysis, Linear filtering, Cameras, Optical engineering, Metals, Projection systems

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Proceedings Article | 22 June 2013 Paper

Optical loss and residual stress measurement of infrared chalcogenide glasses and analysis on its influencing factors

Baoan Song, Yan Yang, Zhitai Jia, Feifei Chen, Changgui Lin, Shixun Dai, Xunsi Wang, Xiang Shen, Tiefeng Xu, Qiuhua Nie

Proceedings Volume 8769, 87693R (2013) https://doi.org/10.1117/12.2021071

KEYWORDS: Infrared radiation, Infrared imaging, Chalcogenide glass, Statistical analysis, Infrared materials, Annealing, Imaging devices, Glasses, Cameras, Birefringence

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Proceedings Article | 5 March 2007 Paper

An optical measurement method about line width of pulse laser

Baoan Song, Weijiang Zhao, Deming Ren, Hailong Zhao, Shuang Mo

Proceedings Volume 6595, 65953P (2007) https://doi.org/10.1117/12.726603

KEYWORDS: Pulsed laser operation, Fabry–Perot interferometers, Laser applications, Interferometry, Optical testing, Reflectivity, Laser interferometry, Charge-coupled devices, Nd:YAG lasers, Optoelectronics

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Proceedings Article | 5 March 2007 Paper

Optimization of discharge circuit of the TEA CO2 laser with two discharge channels

Xiao Yong Hu, LiLi Zhang, DeMing Ren, YanChen Qu, WeiJiang Zhao, BaoAn Song

Proceedings Volume 6595, 65950H (2007) https://doi.org/10.1117/12.726601

KEYWORDS: Gas lasers, Carbon monoxide, Capacitance, Protactinium, Electrodes, Pulsed laser operation, Laser energy, Laser resonators, Capacitors, Carbon dioxide lasers

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Showing 5 of 8 publications

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