Dr. Yongjian Zhu Profile

Dr. Yongjian Zhu

at Zhejiang Univ of Science and Technology

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 6 May 2024 Paper

Detection of defects on metal surfaces based on PoolFormer Auto-Encoder

Mengyan Li, Guofeng Qin, Jun Zhu, Yongjian Zhu, Peiwen Mi

Proceedings Volume 13107, 131070J (2024) https://doi.org/10.1117/12.3029244

KEYWORDS: Defect detection, Data modeling, Metals, Machine learning, Transformers, Image restoration, Detection and tracking algorithms, Deep learning

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Proceedings Article | 27 March 2024 Paper

Multi-scale and attention training of uncalibrated photometric stereo networks

Tianhang Zheng, Lili Cao, Yongjian Zhu

Proceedings Volume 13105, 1310516 (2024) https://doi.org/10.1117/12.3026439

KEYWORDS: Light sources, Education and training, Data modeling, Light sources and illumination, Feature extraction, Performance modeling, Image restoration, Calibration, Reflectivity, Neural networks

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Proceedings Article | 14 October 2022 Paper

A projector calibration method for fringe projection system

Li Zhang, Yongjian Zhu

Proceedings Volume 12343, 123431N (2022) https://doi.org/10.1117/12.2648685

KEYWORDS: Calibration, Projection systems, Cameras, Phase shifts, Distortion, Image processing, 3D modeling, Fringe analysis, Mathematical modeling, 3D metrology

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SPIE Journal Paper | 13 November 2014 Open Access

Penetration of silver nanoparticles into porcine skin ex vivo using fluorescence lifetime imaging microscopy, Raman microscopy, and surface-enhanced Raman scattering microscopy

Yongjian Zhu, Chun-Sik Choe, Sebastian Ahlberg, Martina Meinke, Alexiev Ulrike, Juergen Lademann, Maxim Darvin

JBO, Vol. 20, Issue 05, 051006, (November 2014) https://doi.org/10.1117/12.10.1117/1.JBO.20.5.051006

KEYWORDS: Silver, Skin, Raman spectroscopy, Microscopy, Fluorescence lifetime imaging, Confocal microscopy, Luminescence, Ear, Nanoparticles, Raman scattering

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Proceedings Article | 25 September 2013 Paper

A framework of cloud supported collaborative design in glass lens moulds based on aspheric measurement

Yongjian Zhu, Yu Wang, Jingxin Na, Yanan Zhi, Yufeng Fan

Proceedings Volume 8841, 88411A (2013) https://doi.org/10.1117/12.2023882

KEYWORDS: Aspheric lenses, Lens design, Computer aided design, Clouds, Glasses, Optics manufacturing, Finite element methods, Optical design, Data analysis, Reflection

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Proceedings Article | 25 September 2013 Paper

Flat optical lens by use of 90-degree volume holographic grating recording geometry and nonvolatile thermal fixing in LiNbO3:Fe crystal

Ya'nan Zhi, Zhifang Chai, Yongjian Zhu, Peipei Hou, Jianfeng Sun, Yu Zhou, Liren Liu

Proceedings Volume 8847, 88471I (2013) https://doi.org/10.1117/12.2025132

KEYWORDS: Holography, Volume holography, Diffraction gratings, Diffraction, Crystals, Free space optics, Spherical lenses, Holograms, Switching, Optical communications

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Proceedings Article | 7 September 2013 Paper

FEM analysis of hot-pressing process of aspheric glass P-SK57 lens

Yongjian Zhu, Jingxin Na, Yu Wang, Anhu Li, Yanan Zhi, Yufeng Fan

Proceedings Volume 8838, 88380Z (2013) https://doi.org/10.1117/12.2023133

KEYWORDS: Glasses, Annealing, Glass molding, Aspheric lenses, Finite element methods, Precision glass molding, Convection, Lens grinding, Spherical lenses, Digital cameras

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Proceedings Article | 19 October 2012 Paper

An overview of radial supporting ways for large-size movement mirror: a case study of a large-aperture rotating prism

Anhu Li, Wei Wang, Ye Ding, Yongcheng Liang, Jianfeng Sun, Yongjian Zhu, Zhizhong Li, Lijuan Wang, Liren Liu

Proceedings Volume 8487, 84870T (2012) https://doi.org/10.1117/12.928456

KEYWORDS: Mirrors, Prisms, Photovoltaics, Glasses, Optimization (mathematics), Finite element methods, Optical components, Mirror structures, Mechanical engineering, Telescopes

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Proceedings Article | 13 September 2012 Paper

Selection of phase-recovery algorithms for fringe processing in optical measurement of micro-surface

Yongjian Zhu, Weiqing Pan, Anhu Li, Yanan Zhi

Proceedings Volume 8493, 84931B (2012) https://doi.org/10.1117/12.927783

KEYWORDS: Optical testing, Holography, Holographic interferometry, Interferometry, Reliability, Charge-coupled devices, Fringe analysis, Mirrors, Reflection, Mechanical engineering

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Proceedings Article | 14 September 2011 Paper

A novel laser tracking testbed for robot trajectory errors

Anhu Li, Zhizhong Li, Wei Wang, Yongjian Zhu, Xuchun Jiang

Proceedings Volume 8133, 81330S (2011) https://doi.org/10.1117/12.890033

KEYWORDS: Imaging systems, Calibration, Mirrors, Error analysis, Mathematical modeling, Optical tracking, Laser systems engineering, Mathematics, Control systems, Laser applications

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Proceedings Article | 28 December 2010 Paper

3D measurement system based on computer-generated gratings

Yongjian Zhu, Weiqing Pan, Yanliang Luo

Proceedings Volume 7544, 754423 (2010) https://doi.org/10.1117/12.885280

KEYWORDS: 3D metrology, Computing systems, Cameras, Phase shift keying, Projection systems, Imaging systems, Calibration, Video, 3D image reconstruction, Modulation

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Proceedings Article | 26 August 2010 Paper

A novel optical design for car-camera lenses

Yongjian Zhu, Weiqing Pan, Yufeng Fan

Proceedings Volume 7787, 77870V (2010) https://doi.org/10.1117/12.860143

KEYWORDS: Lenses, Cameras, Aspheric lenses, Modulation transfer functions, Lens design, Glasses, Spatial frequencies, Refractive index, Optical design, Distortion

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Proceedings Article | 3 August 2010 Paper

One-shot in-line digital-holography-based two-dimensional Hilbert demodulation technique

Weiqing Pan, Yongjian Zhu, Yufeng Fan, Haitao Lang

Proceedings Volume 7790, 779016 (2010) https://doi.org/10.1117/12.860238

KEYWORDS: Digital holography, Holograms, 3D image reconstruction, Phase shifts, Digital imaging, Demodulation, Digital recording, Charge-coupled devices, CCD image sensors, Holography

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Showing 5 of 13 publications

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