Dr. Qinwei Ma Profile

Dr. Qinwei Ma

at Beijing Institute of Technology

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Author

Publications (5)

Proceedings Article | 18 January 2019 Paper

Spatial location measurements of point target based on ultra-sparse image

Jidong Liu, Haibin Zhu, Qinwei Ma, Shaopeng Ma

Proceedings Volume 10839, 108391H (2019) https://doi.org/10.1117/12.2506630

KEYWORDS: Cameras, Imaging systems, Visualization, 3D acquisition, Data acquisition, Vibrometry, Target acquisition, Image acquisition

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Proceedings Article | 22 June 2013 Paper

Systematic errors in digital image correlation induced by environment temperature variation around the digital camera

Qinwei Ma, Shaopeng Ma, Yongfa Zhang

Proceedings Volume 8769, 87690Q (2013) https://doi.org/10.1117/12.2019198

KEYWORDS: Cameras, Digital image correlation, Temperature metrology, Charge-coupled devices, Digital cameras, Environmental sensing, Error analysis, CCD cameras, Infrared sensors, Speckle

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Proceedings Article | 18 November 2011 Paper

Stereo vision system based on the laser dot matrix projection

Chenglin Liu, Shaopeng Ma, Qinwei Ma, Xiangfu Zeng

Proceedings Volume 8197, 819704 (2011) https://doi.org/10.1117/12.906542

KEYWORDS: Cameras, 3D metrology, Stereo vision systems, Calibration, Semiconductor lasers, 3D image processing, Projection systems, Image processing, Diffraction gratings, Inspection

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Proceedings Article | 11 November 2010 Paper

A simple optical system for measuring small rotation angle of mechanism

Weijun Li, Qinwei Ma, Dongwei Li, Siyang Liu, Chen Yuan

Proceedings Volume 7855, 78550G (2010) https://doi.org/10.1117/12.871325

KEYWORDS: Semiconductor lasers, CCD cameras, Image processing, Digital imaging, Image resolution, Digital image processing, Calibration, CCD image sensors, Computing systems, Imaging systems

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Proceedings Article | 11 November 2010 Paper

Error analysis of strain measurement induced by operating temperature of uncooled CCD

Jiazhi Pang, Qinwei Ma, Shaopeng Ma, Hongtao Wang

Proceedings Volume 7855, 785509 (2010) https://doi.org/10.1117/12.871331

KEYWORDS: Charge-coupled devices, Temperature metrology, CCD cameras, CCD image sensors, Image processing, Error analysis, Electronic components, Image sensors, Sensors, Thermography

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