Dr. Pengfei Zhang Profile

Dr. Pengfei Zhang

at Zhejiang Univ

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Publications (3)

Proceedings Article | 1 November 2021 Paper

Optical element surface defects detection and quantitative evaluation standard based on dark-field imaging

Yongying Yang, Weimin Lou, Pengfei Zhang, Fanyi Wang, Zichen Lu, Pin Cao, Jiabin Jiang, Xiang Xiao

Proceedings Volume 12057, 1205702 (2021) https://doi.org/10.1117/12.2603542

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Proceedings Article | 15 June 2020 Paper

Simulation design of dark-field imaging scene for optical spherical surface imperfection based on raytracing

Pengfei Zhang, Yongying Yang, Danhui Zhang

Proceedings Volume 11523, 1152306 (2020) https://doi.org/10.1117/12.2574761

KEYWORDS: Monte Carlo methods, Spherical lenses, Ray tracing, Inspection, Geometrical optics, Light sources, Cameras, Optical imaging, Scattering, Microscopes

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Proceedings Article | 24 July 2018 Paper

Simulation of the illuminating scene designed for curved surface defect optical inspection

Pengfei Zhang, Fan Wu, Yongying Yang, Rongzhi Liu, Fanyi Wang, Yubin Du, Yanwei Li

Proceedings Volume 10827, 1082722 (2018) https://doi.org/10.1117/12.2500572

KEYWORDS: Defect detection, Cameras, Bidirectional reflectance transmission function, Light sources, Optical inspection, Monte Carlo methods, Statistical modeling, Surface properties, Inspection, Modeling

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