Prof. Qiudong Zhu Profile

Prof. Qiudong Zhu

at Beijing Insitute of Technology

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 5 November 2020 Paper

Sub-aperture image stitching of cylindrical mirror surface defects based on dark-field imaging

Nansheng Zhang, Shanshan Wang, Bowen Xu, Qiudong Zhu, Qun Hao

Proceedings Volume 11568, 1156813 (2020) https://doi.org/10.1117/12.2579835

KEYWORDS: Defect detection, Image processing, Microscopes, Imaging systems, Optical components

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Proceedings Article | 30 January 2019 Paper

Study on camera calibration method in plane mirror detection system

Chao Wang, Qiudong Zhu, Shanshan Wang

Proceedings Volume 10841, 108410M (2019) https://doi.org/10.1117/12.2505879

KEYWORDS: Cameras, Calibration, Detection and tracking algorithms, LCDs, Imaging systems, Mirrors, Feature extraction, Signal to noise ratio, Computer simulations, Computing systems

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Proceedings Article | 30 January 2019 Paper

Research on interferometric equivalent wavelength of broadband light sources

Yajun Shao, Qiudong Zhu, Shanshan Wang

Proceedings Volume 10841, 1084111 (2019) https://doi.org/10.1117/12.2506014

KEYWORDS: Light sources, Interferometry, Light, Fourier transforms, Light emitting diodes, Optoelectronics, Fiber optic gyroscopes, Precision measurement, Photonics, Fiber optics

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Proceedings Article | 24 October 2017 Paper

Research on the centroid detecting accuracy of stripe

Yujiao Guo, Lin Li, Qiudong Zhu, Shanshan Wang

Proceedings Volume 10462, 104623T (2017) https://doi.org/10.1117/12.2285268

KEYWORDS: Signal to noise ratio, Superposition, Detection and tracking algorithms, Sensors, CMOS sensors, Interference (communication), MATLAB, Statistical analysis, Optoelectronics, 3D scanning

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Proceedings Article | 24 October 2017 Paper

Design of low-light-level resolution testing and comparing system

Zheng Cao, Qiudong Zhu, Shanshan Wang, Yujiao Guo

Proceedings Volume 10462, 104623Q (2017) https://doi.org/10.1117/12.2285259

KEYWORDS: Sensors

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Proceedings Article | 28 February 2017 Paper

Research on environment correction algorithm in the minimum deviation angle method for refractive index measuring

Chuan Sun, Shanshan Wang, Siyu Zhou, Qiudong Zhu

Proceedings Volume 10256, 102564D (2017) https://doi.org/10.1117/12.2258364

KEYWORDS: Refractive index, Environmental sensing, Glasses, Humidity, Factor analysis, Refraction, Temperature metrology

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Proceedings Article | 28 February 2017 Paper

Research on key technology in the real-time and high-precision spot centroid detection

Siyu Zhou, Shanshan Wang, Xiaohe Luo, Yajun Shao, Qiudong Zhu

Proceedings Volume 10256, 102564A (2017) https://doi.org/10.1117/12.2258213

KEYWORDS: Cameras, Signal to noise ratio, CMOS sensors, Superposition, Denoising, CMOS cameras, Analytical research, Imaging systems, Image interpolation, Light emitting diodes

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Proceedings Article | 31 October 2016 Paper

Design of real-time and high-precision photoelectric autocollimator

Siyu Zhou, Jiayin Hou, Shanshan Wang, Qiudong Zhu

Proceedings Volume 10019, 100190G (2016) https://doi.org/10.1117/12.2245392

KEYWORDS: Autocollimators, Superposition, Objectives, Stray light, Polarization, Signal to noise ratio, CMOS cameras, Prisms, Detection and tracking algorithms, Optical design

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Proceedings Article | 27 September 2016 Paper

Fizeau simultaneous phase-shifting interferometry based on extended source

Shanshan Wang, Qiudong Zhu, Yinlong Hou, Zheng Cao

Proceedings Volume 9684, 968437 (2016) https://doi.org/10.1117/12.2256227

KEYWORDS: Interferometers, Visibility, Interferometry, Phase interferometry, Phase shifts, Polarization, Zemax, MATLAB, Spatial coherence, Michelson interferometers

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Proceedings Article | 26 September 2016 Presentation + Paper

Real-time diameter measurement using diffuse light

Xiaohe Luo, Mei Hui, Qiudong Zhu, Shanshan Wang

Proceedings Volume 9961, 99610U (2016) https://doi.org/10.1117/12.2235856

KEYWORDS: Optical testing, Light emitting diodes, Glasses, Light sources, Light, Image analysis, Diffraction, Opacity, Cameras, Imaging systems

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Proceedings Article | 7 August 2015 Paper

Intraocular lens power estimation by accurate ray tracing for eyes underwent previous refractive surgeries

Que Yang, Shanshan Wang, Kai Wang, Chunyu Zhang, Lu Zhang, Qingyu Meng, Qiudong Zhu

Proceedings Volume 9623, 962311 (2015) https://doi.org/10.1117/12.2193057

KEYWORDS: Surgery, Zemax, Image quality, Point spread functions, Ray tracing, LASIK, Visualization, Crystals, Cornea, Image segmentation

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SPIE Journal Paper | 12 January 2015

Volumetric display based on multiple mini-projectors and a rotating screen

Weitao Song, Qiudong Zhu, Tao Huang, Yue Liu, Yongtian Wang

OE, Vol. 54, Issue 01, 013103, (January 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.1.013103

KEYWORDS: 3D displays, 3D image processing, Projection systems, 3D volumetric displays, Mirrors, Scattering, 3D vision, LCDs, Spatial light modulators

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Proceedings Article | 31 December 2013 Paper

The optimal design method for the extended source of interferometer

Yinlong Hou, Lin Li, Shanshan Wang, Xiao Wang, Haijun Zang, Qiudong Zhu, Dawei Li

Proceedings Volume 9042, 90421A (2013) https://doi.org/10.1117/12.2037492

KEYWORDS: Interferometers, Visibility, Interferometry, Zemax, MATLAB, Spatial coherence, Fourier transforms, Light sources, Computer simulations, Fizeau interferometers

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Proceedings Article | 19 December 2013 Paper

Numerical simulation and experimental verification of extended source interferometer

Yinlong Hou, Lin Li, Shanshan Wang, Xiao Wang, Haijun Zang, Qiudong Zhu

Proceedings Volume 9046, 904605 (2013) https://doi.org/10.1117/12.2038097

KEYWORDS: Interferometers, Visibility, Interferometry, Spatial coherence, MATLAB, Zemax, Light sources, Numerical simulations, Fizeau interferometers, Optical simulations

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Proceedings Article | 26 November 2012 Paper

Research on the key parameters influencing the anti-vibration capability of time-frequency-domain interferometer

Fanghua Zhang, Qun Hao, Yao Hu, Qiudong Zhu

Proceedings Volume 8557, 85571K (2012) https://doi.org/10.1117/12.999642

KEYWORDS: Phase shifts, Phase interferometry, Interferometers, Phase measurement, Interferometry, Mirrors, Ferroelectric materials, Vibration simulation, Optical testing, Photovoltaics

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Proceedings Article | 28 December 2010 Paper

Measurement of optical glass refractive index free from effect of environmental temperature

Jian-rong Ma, Qun Hao, Qiu-dong Zhu, Yao Hu, Xu Cheng

Proceedings Volume 7544, 754471 (2010) https://doi.org/10.1117/12.885236

KEYWORDS: Refractive index, Temperature metrology, Glasses, Prisms, Refraction, Environmental sensing, Optical testing, Error analysis, Liquids, Projection systems

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Proceedings Article | 9 November 2010 Paper

Compensation ability evaluation of part-compensation lens based on slope asphericity

Feng Xie, Qun Hao, Qiudong Zhu, Lei Tang, Yao Hu

Proceedings Volume 7849, 78491M (2010) https://doi.org/10.1117/12.869062

KEYWORDS: Aspheric lenses, Optical spheres, Manufacturing, Lens design, Wavefronts, Lead, Structural design, Wavefront aberrations, Sensors, Electromechanical design

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Proceedings Article | 9 November 2010 Paper

A best-fit sphere definition capable of reducing dynamic range in aspheric surface testing

Feng Xie, Qun Hao, Qiudong Zhu, Lei Tang, Yao Hu

Proceedings Volume 7849, 784917 (2010) https://doi.org/10.1117/12.869028

KEYWORDS: Aspheric lenses, Optical spheres, Manufacturing, Error analysis, Computer generated holography, Wavefronts, Deflectometry, Optical testing, Radon, Analytical research

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Proceedings Article | 6 May 2009 Paper

Novel method of phasing segmented mirrors

Qiudong Zhu, Shanshan Wang, Genrui Cao

Proceedings Volume 7281, 728105 (2009) https://doi.org/10.1117/12.831427

KEYWORDS: Segmented mirrors, Mirrors, Interferometers, Telescopes, Fringe analysis, Space telescopes, Image segmentation, Geometrical optics, Sensors, Optical testing

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Proceedings Article | 12 March 2008 Paper

A novel algorithm of wave front time domain testing

Lei Tang, Qun Hao, Qiudong Zhu

Proceedings Volume 6624, 662412 (2008) https://doi.org/10.1117/12.791109

KEYWORDS: Turbulence, Wavefronts, Interferometry, Detection and tracking algorithms, Phase shifts, Optical components, Optical testing, Environmental sensing, Optics manufacturing, Interferometers

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Proceedings Article | 19 February 2008 Paper

Criterion of phasing in the presence of segment aberrations

Shanshan Wang, Qiudong Zhu, Genrui Cao, Xiao Wang

Proceedings Volume 6625, 66251A (2008) https://doi.org/10.1117/12.791206

KEYWORDS: Sensors, Image segmentation, Wavefronts, Telescopes, Mirrors, Image quality, Error analysis, Segmented mirrors, Chromium, Wavefront sensors

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Proceedings Article | 28 November 2007 Paper

Simulation of the phase-shift and anti-vibration in wavefront time-domain algorithm

Lei Tang, Qun Hao, Qiudong Zhu

Proceedings Volume 6834, 68342A (2007) https://doi.org/10.1117/12.755622

KEYWORDS: Wavefronts, Photovoltaics, Interferometry, Computer simulations, Turbulence, Phase shifts, Detection and tracking algorithms, Environmental sensing, Optical testing, Optical components

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Proceedings Article | 27 November 2007 Paper

Aspheric surface test by digital moire method

Qiudong Zhu, Qun Hao

Proceedings Volume 6723, 672355 (2007) https://doi.org/10.1117/12.783743

KEYWORDS: Aspheric lenses, Moire patterns, Interferometers, Fringe analysis, Interferometry, Image processing, Optical filters, Digital filtering, Cameras, Optical testing

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Proceedings Article | 10 February 2005 Paper

In situ observation of crystal growth and concentration variation by spatial filtering method

Ya Chen, Qun Hao, Qiudong Zhu

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.574566

KEYWORDS: Crystals, Linear filtering, Microscopes, Spatial filters, Optical filters, Objectives, Laser crystals, Phase shifts, Image filtering, Nonlinear crystals

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Proceedings Article | 10 February 2005 Paper

Real-time measurement of refractive index of solution during crystal growth by Michaelson interferometry

Yi Wang, Qun Hao, Qiudong Zhu, Yongtian Wang

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.574562

KEYWORDS: Interferometry, Refractive index, Interferometers, Crystals, Phase interferometry, Phase shifts, Beam splitters, Mirrors, Polarizers, Polarization

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Proceedings Article | 10 February 2005 Paper

A novel aspheric surface testing method using part-compensating lens

Huilan Liu, Qun Hao, Qiudong Zhu, Dingguo Sha, Chunxi Zhang

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.578624

KEYWORDS: Aspheric lenses, Calibration, Lens design, Interferometry, Interferometers, Testing and analysis, Phase interferometry, Standards development, Mirrors, Wavefronts

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Proceedings Article | 2 September 2003 Paper

Design of novel part-compensating lens used in aspheric testing

Huilan Liu, Qiudong Zhu, Qun Hao, Dingguo Sha

Proceedings Volume 5253, (2003) https://doi.org/10.1117/12.521761

KEYWORDS: Aspheric lenses, Lens design, Monochromatic aberrations, Wavefronts, Charge-coupled devices, Mirrors, Interferometers, Testing and analysis, Spherical lenses, Optical design software

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Proceedings Article | 5 September 2002 Paper

Self-referenced Hartmann testing: radial slope testing

Peng Su, Yang Yu, Qiudong Zhu, Genrui Cao

Proceedings Volume 4926, (2002) https://doi.org/10.1117/12.481683

KEYWORDS: Wavefronts, Optical testing, Wavefront sensors, Charge-coupled devices, Satellites, Data processing, Computer simulations, Stars, Visualization, Optoelectronics

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Showing 5 of 28 publications

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