Prof. Qing Liu Profile

Prof. Qing Liu

at Xi'an Univ of Technology

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Author

Publications (4)

SPIE Journal Paper | 30 August 2024

Coded target recognition algorithm for vision measurement

Peng Zhang, Qing Liu, Shengpeng Li, Fei Liu, Wenjing Liu

JEI, Vol. 33, Issue 04, 043058, (August 2024) https://doi.org/10.1117/12.10.1117/1.JEI.33.4.043058

KEYWORDS: Target recognition, Detection and tracking algorithms, Image segmentation, Light sources and illumination, Image processing algorithms and systems, Image compression, Cameras, Visualization, Binary data, Environmental sensing

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SPIE Journal Paper | 20 March 2024

Combined 3D scanning measurement method based on guidance of full-space laser positioning system

Qing Liu, Fei Liu, Binfeng Lin

OE, Vol. 63, Issue 03, 034103, (March 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.3.034103

KEYWORDS: Receivers, 3D scanning, 3D metrology, Aluminium phosphide, Laser systems engineering, 3D modeling, Photodetectors, Optical engineering, Laser soldering, 3D tracking

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SPIE Journal Paper | 11 June 2022

ALPS/IMU calibration method based on spatial multipose transformation for large space indoor dynamic positioning

Kaida Shang, Qing Liu, Kun Jia, Songnan Yang, Xinfeng Wang, Jia Zhen

OE, Vol. 61, Issue 06, 064103, (June 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.6.064103

KEYWORDS: Calibration, Error analysis, Aluminium phosphide, Receivers, Optical engineering, Matrices, Transmitters, Sensors, Cameras, 3D acquisition

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SPIE Journal Paper | 30 December 2021

Flexible field calibration of transmitter location and orientation in accurate large-scale positioning system

Kun Jia, Qing Liu, Zhengyu Zhong, Xiao Pan

OE, Vol. 61, Issue 01, 014102, (December 2021) https://doi.org/10.1117/12.10.1117/1.OE.61.1.014102

KEYWORDS: Transmitters, Calibration, Aluminium phosphide, Sensors, Liquid crystals, Optical tracking, Optical engineering, 3D metrology, Signal detection, Optimization (mathematics)

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