Prof. Liying Wu Profile

Prof. Liying Wu

at Harbin Institute of Technology

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 31 January 2013 Paper

Annular flat-top laser beam generated by an adaptive weight FFT-based iterative algorithm

Dong Wang, Xiang Liu, Hao Wang, Jian Zhang, Liying Wu

Proceedings Volume 8759, 875938 (2013) https://doi.org/10.1117/12.2012855

KEYWORDS: Beam shaping, Charge-coupled devices, Detection and tracking algorithms, Liquid crystals, Gaussian beams, Phase shift keying, Aerospace engineering, Diffractive optical elements, LCDs, Instrumentation engineering

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Proceedings Article | 13 May 2010 Paper

Forming and steering of symmetrical multiple laser beams in optical phased array

Xiang Liu, Jian Zhang, Liying Wu, Yu Gan, Dong Wang, Jiajia Ge

Proceedings Volume 7696, 76961K (2010) https://doi.org/10.1117/12.849383

KEYWORDS: Diffraction, Distortion, Diffraction gratings, Phased array optics, Liquid crystals, Computer generated holography, Beam steering, Laser applications, Phase shift keying, Polarizers

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Proceedings Article | 12 January 2009 Paper

Driving method to reduce data refresh rate in nematic liquid crystal optical phased array

Xiang Liu, Jian Zhang, Liying Wu, Lin Xu

Proceedings Volume 7133, 71333M (2009) https://doi.org/10.1117/12.821248

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Proceedings Article | 12 January 2009 Paper

Design of driving and control system based on Voice Coil Actuation for linear motion of micro-lens array

Jie Xiang, Nan Wu, Jian Zhang, Liying Wu

Proceedings Volume 7133, 713330 (2009) https://doi.org/10.1117/12.821241

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Proceedings Article | 12 January 2009 Paper

Effect of phase valley on diffraction efficiency of liquid crystal optical phased array

Lin Xu, Liying Wu, Jian Zhang, Xiang Liu

Proceedings Volume 7133, 71333L (2009) https://doi.org/10.1117/12.821247

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Proceedings Article | 27 September 2007 Paper

Arbitrary expected fringe producing by employing phase-only liquid crystal spatial light modulator

Liying Wu, Jian Zhang, Bohan Liu

Proceedings Volume 6711, 67110J (2007) https://doi.org/10.1117/12.731339

KEYWORDS: Spatial light modulators, Liquid crystals, Computer programming, Diffraction, Modulation, Beam steering, Phase shift keying, Phased array optics, Refractive index, Fourier transforms

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Proceedings Article | 27 September 2007 Paper

Wave front transformation and correction by using SLM

Jian Zhang, Liying Wu, Xiang Liu, Yun Fang, Hongxin Zhang

Proceedings Volume 6711, 67110C (2007) https://doi.org/10.1117/12.731960

KEYWORDS: Spatial light modulators, Wavefronts, Distortion, Liquid crystals, Phase shift keying, Spectroscopy, Modulation, Reflectivity, Wavefront distortions, Interferometers

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Proceedings Article | 6 October 2006 Paper

Numerical modeling for liquid crystal optical phased array and its phase delay characteristic

Lin Xu, Jian Zhang, Li-ying Wu

Proceedings Volume 6352, 635225 (2006) https://doi.org/10.1117/12.688767

KEYWORDS: Liquid crystals, Electrodes, Glasses, Finite difference methods, Phased array optics, Refractive index, Crystal optics, Interfaces, Numerical modeling, Dielectrics

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Proceedings Article | 23 February 2006 Paper

Measurement of phase modulation characteristics of liquid crystal spatial light modulator

Hongxin Zhang, Jian Zhang, Liying Wu, Yan Zhang

Proceedings Volume 6150, 61503W (2006) https://doi.org/10.1117/12.676511

KEYWORDS: Liquid crystals, Spatial light modulators, Phase shifts, Phase modulation, Phase measurement, Phase shift keying, Polarization, Polarizers, Modulation, Photodiodes

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Proceedings Article | 5 August 2002 Paper

Design of integrated and microminiaturized multifunctional helmet controller

Chengbin Liao, Liying Wu, Jian Zhang

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478893

KEYWORDS: Image processing, Digital signal processing, Signal processing, Human-machine interfaces, Liquid crystal on silicon, Control systems, Video, Interfaces, Image filtering, Amplifiers

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Proceedings Article | 14 February 2002 Paper

Realtime downhole imaging, multiparameter monitoring, and inspection using DSL technology based on DMT modulation with two-wire transmission

Chengbin Liao, Jian Zhang, Liying Wu

Proceedings Volume 4578, (2002) https://doi.org/10.1117/12.456103

KEYWORDS: Digital signal processing, Signal processing, Signal attenuation, Image processing, Image transmission, Modulation, Infrared cameras, Sensors, Imaging systems, Copper

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Proceedings Article | 5 June 2001 Paper

Depth-image-based surface measurement sensor

Xiaoyang Yu, Zhenhua Wei, Guijiang Yu, Fujun Zhang, Liying Wu

Proceedings Volume 4275, (2001) https://doi.org/10.1117/12.429359

KEYWORDS: Sensors, Cameras, Error analysis, Calibration, Americium, Mathematical modeling, Molybdenum, Radon, Distortion, Imaging systems

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Proceedings Article | 16 November 1999 Paper

Structured-light-based section outline sensor

Xiaoyang Yu, Deyun Chen, Liying Wu, Jian Zhang, Qingxin Meng

Proceedings Volume 3835, (1999) https://doi.org/10.1117/12.370263

KEYWORDS: Sensors, Cameras, Error analysis, 3D metrology, Calibration, Americium, 3D vision, CCD image sensors, Factor analysis, Molybdenum

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Proceedings Article | 29 December 1998 Paper

Calibrating method for a spatial-encoding-based rangefinder

Xiaoyang Yu, Jian Zhang, Liying Wu, Juchun Lu, Qing Lin, Guihong Bi

Proceedings Volume 3520, (1998) https://doi.org/10.1117/12.334323

KEYWORDS: Calibration, Computer programming, Cameras, 3D metrology, Binary data, Optical testing, Molybdenum, Image compression, Image resolution, Image processing

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Proceedings Article | 10 August 1998 Paper

Calibration errors in laser-scanning 3D-vision measurement using the space encoding method

Xiaoyang Yu, Jian Zhang, Liying Wu, Qing Lin, Xifu Qiang

Proceedings Volume 3558, (1998) https://doi.org/10.1117/12.318405

KEYWORDS: Calibration, Cameras, 3D metrology, Computer programming, Laser scanners, 3D modeling, Error analysis, 3D vision, Imaging systems, Image compression

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Proceedings Article | 13 May 1998 Paper

Simultaneous frequency, power, and beam direction stabilization of transverse Zeeman laser

Bo Liu, Jian-Ying Fan, Ling Yang, Liying Wu

Proceedings Volume 3267, (1998) https://doi.org/10.1117/12.308120

KEYWORDS: Laser stabilization, Helium neon lasers, Metrology, Chemical oxygen iodine lasers, Light, Laser metrology, Laser applications, Laser scattering, Thermography, Mirrors

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Proceedings Article | 12 March 1998 Paper

Real-time range-image based on image encoding

Xiaoyang Yu, Jian Zhang, Liying Wu, Xifu Qiang, Qing Lin

Proceedings Volume 3303, (1998) https://doi.org/10.1117/12.302426

KEYWORDS: Computer programming, Image compression, 3D image processing, Cameras, 3D image reconstruction, Image processing, Image resolution, Binary data, Computer simulations, Laser damage threshold

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Proceedings Article | 10 December 1997 Paper

Spatial image encoder and range image based on laser scanning

Xiaoyang Yu, Jian Zhang, Liying Wu, Xifu Qiang, Qing Lin

Proceedings Volume 3204, (1997) https://doi.org/10.1117/12.294459

KEYWORDS: Computer programming, 3D image processing, Laser scanners, Machine vision, 3D vision, 3D image reconstruction, Image processing, Prototyping

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Proceedings Article | 25 September 1997 Paper

Laser scan-based spatial image encoder used in 3D vision

Xiaoyang Yu, Jian Zhang, Liying Wu, Xifu Qiang

Proceedings Volume 3100, (1997) https://doi.org/10.1117/12.287765

KEYWORDS: Computer programming, 3D vision, Modulation, Cameras, Image compression, Stereolithography, 3D surface sensing, Laser scanners, Mirrors, Image resolution

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Proceedings Article | 20 January 1997 Paper

Design rule and error analysis of a rangefinder using laser scanning space-encoding method

Xiaoyang Yu, Jian Zhang, Liying Wu, Xifu Qiang

Proceedings Volume 2909, (1997) https://doi.org/10.1117/12.263326

KEYWORDS: Error analysis, Laser scanners, Mirrors, CCD cameras, Quantization, 3D image processing, 3D metrology, Cameras, Manufacturing, Inspection

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Proceedings Article | 3 October 1996 Paper

Laser-scanning device used in a space-encoding range finder

Xiaoyang Yu, Jian Zhang, Liying Wu, Xifu Qiang

Proceedings Volume 2899, (1996) https://doi.org/10.1117/12.253077

KEYWORDS: Mirrors, Laser scanners, Manufacturing, Projection systems, Cameras, Time metrology, Geometrical optics, 3D metrology, Dysprosium, Laser range finders

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Proceedings Article | 21 February 1996 Paper

Object recognition using both range and intensity image in machine vision

Bo Liu, Liying Wu, Jian Zhang, Qi-Shan Wang

Proceedings Volume 2665, (1996) https://doi.org/10.1117/12.232230

KEYWORDS: Object recognition, 3D image processing, Edge detection, Machine vision, Image processing, Pattern recognition, Image resolution, 3D metrology, CCD cameras, Cameras

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Proceedings Article | 19 January 1996 Paper

Optical integrated testing instrument for pipe interior-parameter measurement and inspection

Jian Zhang, Bo Liu, Liying Wu, Liankui Sun, Hai Gong

Proceedings Volume 2599, (1996) https://doi.org/10.1117/12.230401

KEYWORDS: Inspection, Light scattering, Barium, Integrated optics, Scattering, Imaging systems, Optical testing, Optical components, Sensors, CCD cameras

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Proceedings Article | 19 January 1996 Paper

Range finder based on laser space encoding

Liying Wu, Jian Zhang, Shuyin Li, Huijuan Yuan, Jianying Fan

Proceedings Volume 2599, (1996) https://doi.org/10.1117/12.230384

KEYWORDS: Computer programming, Cameras, Laser scanners, Image compression, 3D scanning, Calibration, Image resolution, Semiconductor lasers, Modulation, Binary data

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Showing 5 of 24 publications

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