Prof. Wei Liu Profile

Prof. Wei Liu

Associate Professor at Dalian Univ of Technology

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Author

Publications (14)

Proceedings Article | 6 November 2023 Paper

Monocular camera-based large field-of-view depth estimation for mobile machining of large aerospace components

Yuhan Tian, Jiacheng Cui, Lei Han, Yingxin Jiang, Yang Zhang, Wei Liu

Proceedings Volume 12921, 1292138 (2023) https://doi.org/10.1117/12.2691544

KEYWORDS: Neural networks, Cameras, Aerospace engineering, Robotics, Image segmentation, Target detection, Image fusion, Target recognition

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Proceedings Article | 19 October 2022 Paper

A semi-analytical calculation method for transmitted torque of permanent magnet couplers

Minghao Sun, Xikang Cheng, Weiqi Luo, Yang Zhang, Wei Liu, Tao He

Proceedings Volume 12294, 1229452 (2022) https://doi.org/10.1117/12.2641939

KEYWORDS: Magnetism, Finite element methods, 3D modeling, Circuit switching, Testing and analysis, Mathematical modeling, Statistical modeling, Reliability, Sensors, Rubidium

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SPIE Journal Paper | 12 August 2022

Optimization of nanosecond laser processing for microgroove on TC4 surface by combining response surface method and genetic algorithm

Xulin Wang, Zhenyuan Jia, Jianwei Ma, Dongxu Han, Xiaoqian Qi, Chuanheng Gui, Wei Liu

OE, Vol. 61, Issue 08, 086103, (August 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.8.086103

KEYWORDS: Laser processing, Data modeling, Optimization (mathematics), Genetic algorithms, Pulsed laser operation, Optical engineering, Reliability, Mathematical modeling, Titanium, Laser development

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SPIE Journal Paper | 9 April 2022

Research on nanosecond laser processing of basic unit for ridge surface: forming condition of microgroove and micro-ridge structure on TC4 surface

Xulin Wang, Zhenyuan Jia, Jianwei Ma, Dongxu Han, Chuanheng Gui, Xiaoqian Qi, Wei Liu

OE, Vol. 61, Issue 04, 046105, (April 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.4.046105

KEYWORDS: Laser processing, Etching, Pulsed laser operation, Optical engineering, Laser energy, Plasma, Titanium, Energy efficiency, Servomechanisms, Resistance

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Proceedings Article | 24 November 2021 Paper

A highlight removal method of components with high reflective surface measurement based on binocular vision

Peidong Zhang, Wenqi Wang, Wei Liu, Wenlong Zhang, Yang Zhang

Proceedings Volume 12065, 120653P (2021) https://doi.org/10.1117/12.2607083

KEYWORDS: Image fusion, Light sources, Reflection, Image processing, Reflectivity, Image quality, High dynamic range imaging, Image analysis, Cameras, Specular reflections

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Proceedings Article | 14 October 2021 Paper

Calculation and analysis on transmission performance of slotted permanent magnetic coupler

Ziliang Tan, Wei Liu, Xikang Cheng, Minghao Sun, Weiqi Luo, Yang Zhang

Proceedings Volume 11930, 119303N (2021) https://doi.org/10.1117/12.2611074

KEYWORDS: Magnetism, Copper, Optimization (mathematics), Iron, Performance modeling, Reliability, Motion models, Mechanical efficiency, Liquids, Electromagnetism

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Proceedings Article | 5 November 2020 Paper

A classified denoising method for multi-scale measurement noise from combined visual measurement system

Yongkang Lu, Yang Zhang, Junqing Li, Ziliang Tan, Wenqi Wang, Haiyang Zhao, Wei Liu

Proceedings Volume 11567, 115670E (2020) https://doi.org/10.1117/12.2574423

KEYWORDS: Clouds, Denoising, Digital filtering, Signal to noise ratio, Image segmentation, Optical filters, Visualization, Data acquisition, Principal component analysis

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Proceedings Article | 9 August 2018 Paper

Profile measurement method of aviation part based on step boundary model

Fan Ye, Yang Zhang, Wei Liu, Peng Gao, Haiyang Zhao, Zhiguang Lan, Fan Yang, Zhenyuan Jia

Proceedings Volume 10806, 108062L (2018) https://doi.org/10.1117/12.2503259

KEYWORDS: Feature extraction, Image processing, Cameras, 3D image reconstruction, Sensors, Calibration, 3D image processing, Optical filters, Projection systems, Mathematical modeling

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Proceedings Article | 5 March 2018 Paper

High-precision binocular measuring method considering three-dimensional distortion

Yang Zhang, Haiyang Zhao, Wei Liu, Zhiyuan Zhang, Hongtu Di, Bing Liang, Hongwen Xing, Zhenyuan Jia

Proceedings Volume 10710, 107101W (2018) https://doi.org/10.1117/12.2317588

KEYWORDS: Cameras, Distortion, Calibration, 3D modeling, Visual process modeling, Imaging systems, 3D image processing, 3D metrology, 3D acquisition, Cesium

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Proceedings Article | 5 March 2018 Paper

Local high precision 3D measurement based on line laser measuring instrument

Renwei Zhang, Wei Liu, Yongkang Lu, Yang Zhang, Jianwei Ma, Zhenyuan Jia

Proceedings Volume 10710, 107101L (2018) https://doi.org/10.1117/12.2317530

KEYWORDS: Laser scanners

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Proceedings Article | 21 July 2017 Paper

An improved measurement method for large aviation part based on spatial constraint calibration and compression extraction

Yang Zhang, Fan Yang, Wei Liu, Zhiyuan Zhang, Haiyang Zhao, Zhiguang Lan, Peng Gao, Zhenyuan Jia

Proceedings Volume 10420, 104201H (2017) https://doi.org/10.1117/12.2281659

KEYWORDS: Calibration, Feature extraction

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Proceedings Article | 29 August 2016 Paper

Image processing in dimensional measurement for hot large forgings based on laser-aided binocular machine vision system

Chaonan Fan, Wei Liu, Pengtao Xu, Yang Liu, Jinghao Yang, Lingli Wang, Zhenyuan Jia

Proceedings Volume 10033, 100335R (2016) https://doi.org/10.1117/12.2244159

KEYWORDS: Image processing, Machine vision, Laser processing, Feature extraction, Optical filters, CCD cameras, Imaging systems, Calibration, Real time image processing, 3D image processing

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Proceedings Article | 26 January 2016 Paper

Precise positioning method for multi-process connecting based on binocular vision

Wei Liu, Lichao Ding, Kai Zhao, Xiao Li, Ling Wang, Zhenyuan Jia

Proceedings Volume 9903, 99031P (2016) https://doi.org/10.1117/12.2214078

KEYWORDS: Manufacturing, Calibration, Imaging systems, Cameras, Computing systems, Microscopes, Sensors, Transmitters, Image processing, Feature extraction

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SPIE Journal Paper | 15 October 2015 Open Access

Accuracy improvement in laser stripe extraction for large-scale triangulation scanning measurement system

Yang Zhang, Wei Liu, Xiaodong Li, Fan Yang, Peng Gao, Zhenyuan Jia

OE, Vol. 54, Issue 10, 105108, (October 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.10.105108

KEYWORDS: Cameras, Reflectivity, Image analysis, Optical engineering, Optical scanning systems, Imaging systems, Transmitters, Feature extraction, Laser damage threshold, Composites

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