Prof. Lei Tao Profile

Prof. Lei Tao

at Chongqing Institute of Metrology and Quality Inspection

SPIE Involvement:

Author

Publications (25)

Proceedings Article | 20 November 2024 Paper

The performance evaluation for dimensional measurements with industrial computed tomography systems

Lei Tao, Chunlin Huo, Jin Zhou, Sen Zhou

Proceedings Volume 13241, 132410R (2024) https://doi.org/10.1117/12.3037029

KEYWORDS: Computed tomography, Manufacturing, Metrology, 3D metrology, X-ray computed tomography, Computing systems, X-rays, X-ray imaging, Measurement uncertainty, Calibration

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Proceedings Article | 28 May 2024 Poster + Paper

Full geometric information measuring model of 3D gear based on laser scanning techniques

Sen Zhou, Shuang Mao, Lei Tao, Jin Zhou, Jian Xu

Proceedings Volume 13083, 1308316 (2024) https://doi.org/10.1117/12.3019560

KEYWORDS: 3D metrology, Teeth, 3D modeling, Laser scanners, Manufacturing, Metrology, Inspection, Data modeling, Beam path, Point clouds

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Proceedings Article | 1 December 2023 Paper

Mechanical properties of shape memory alloys (SMA) actuator of bionic flexible dexterous hand

Yingqian Ni, Jin Zhou, Lei Tao, Yu Yan, Tong Liu, Wenbin Zhang

Proceedings Volume 12940, 129400U (2023) https://doi.org/10.1117/12.3010715

KEYWORDS: Shape memory alloys, Actuators, Materials properties, Biomimetics, Temperature metrology, Mathematical modeling, Design and modelling, Alloys, Finite element methods, Elasticity

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Proceedings Article | 27 November 2023 Paper

Automated sampling path planning model for complex surface of cylinder gear based on laser scanning techniques

Sen Zhou, Xiaohong Ran, Lei Tao, Jin Zhou, Qiqiang Tong

Proceedings Volume 12769, 127690J (2023) https://doi.org/10.1117/12.2684550

KEYWORDS: Teeth, 3D metrology, Laser scanners, Manufacturing, Beam path, Metrology, Inspection, 3D modeling, Industry, Data processing

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Proceedings Article | 4 April 2023 Paper

Research on measurement method of submicron linewidth based on microscopic vision

Chong Yue, YueQing Ding, Lei Tao, Xin Chen, Jin Zhou

Proceedings Volume 12617, 1261770 (2023) https://doi.org/10.1117/12.2666760

KEYWORDS: Image processing, Digital filtering, Technology, Nonlinear filtering, Image filtering, Hough transforms, Calibration, Computing systems, Standards development, Imaging systems

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Proceedings Article | 4 April 2023 Paper

Measurement of angular displacement by precisely controlled transmission structure based on laser interferometric system

Jin Zhou, An Lu, Chong Yue, Sen Zhou, Lei Tao

Proceedings Volume 12617, 1261774 (2023) https://doi.org/10.1117/12.2666786

KEYWORDS: Sensors, Laser systems engineering, Laser interferometry, Calibration, Autocollimators, Metrology, Error control coding, Optical encoders, Lithium, Interpolation

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Proceedings Article | 4 April 2023 Paper

Measurement of optical constants of nano-film based on ellipsometric data at visible wavelength

Chong Yue, YueQing Ding, Lei Tao, Jin Zhou, Xin Chen

Proceedings Volume 12617, 126176Y (2023) https://doi.org/10.1117/12.2666758

KEYWORDS: Particle swarm optimization, Ellipsometry, Refractive index, Particles, Thin films, Evolutionary algorithms, Thin film devices, Optical testing, Mathematical optimization, Reflection

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Proceedings Article | 9 March 2023 Paper

Research and application of gauge block intelligent measurement system based on inductance micrometer

Jin Zhou, Tingting Ren, Lei Tao, Tao Zhang, Long Chen

Proceedings Volume 12600, 126000W (2023) https://doi.org/10.1117/12.2674002

KEYWORDS: Intelligence systems, Sensors, Calibration, Inductance, Error control coding, Metrology

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Proceedings Article | 10 February 2023 Paper

Studies on construction of real time kinematic inspection field based on geographic information and remote sensing technology

Tong Liu, Tingting Ren, Tao Zhang, Lei Tao, Long Chen

Proceedings Volume 12552, 125521C (2023) https://doi.org/10.1117/12.2667359

KEYWORDS: Navigation systems, Calibration, Satellite navigation systems, Receivers, Satellites, Antennas, Kinematics, Software development

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Proceedings Article | 23 January 2023 Paper

Determination the characteristic parameter of nano-film based on spectroscopic ellipsometry by improved adaptive genetic algorithm

Chong Yue, YueQing Ding, Lei Tao, Sen Zhou, Long Chen

Proceedings Volume 12556, 125561Q (2023) https://doi.org/10.1117/12.2651860

KEYWORDS: Genetic algorithms, Optimization (mathematics), Ellipsometry, Refractive index, Thin films, Spectroscopic ellipsometry, Reflection, Silicon films, Silicon, Polarization

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Proceedings Article | 23 January 2023 Paper

Determination of bimetallic film’s thickness and optical constants based on SPR phase detection

Chong Yue, Yueqing Ding, Lei Tao, Sen Zhou, Long Chen

Proceedings Volume 12556, 125561P (2023) https://doi.org/10.1117/12.2651767

KEYWORDS: Metals, Thin films, Prisms, Multilayers, Reflectivity, Surface plasmons, Spiral phase plates, Spectroscopy, Phase shift keying, Inverse problems

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Proceedings Article | 4 January 2023 Presentation + Paper

Geometric measurement error tests on full information of nanoscale surface with the use of scanning electron microscope

Sen Zhou, Lei Tao, Ying Li, Cong Yue

Proceedings Volume 12317, 1231717 (2023) https://doi.org/10.1117/12.2645581

KEYWORDS: Scanning electron microscopy, Electron microscopes, Technology, Standards development, Shape analysis, Error analysis, Transmission electron microscopy, Inspection, Image analysis, Metrology

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Proceedings Article | 23 May 2022 Paper

Studies on calibration of on-board intelligent service terminal of cruising taxi

Tingting Ren, Lei Tao, Tong Liu, Long Chen, Yong Huang, Shiqiang Zhou

Proceedings Volume 12254, 1225413 (2022) https://doi.org/10.1117/12.2638604

KEYWORDS: Calibration, Velocity measurements, Metrology, Clocks, Uncertainty analysis, Distance measurement, Time metrology, Measurement devices

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Proceedings Article | 24 November 2021 Paper

Automated edge detection model for large irregular circular using a scanning approach

Sen Zhou, Lei Tao, Tong Liu, Jun Xiong

Proceedings Volume 12060, 120600I (2021) https://doi.org/10.1117/12.2605338

KEYWORDS: Laser scanners, Edge detection, Laser optics, Prototyping, Inspection, Clouds, Scanners, Laser development, Computing systems, 3D scanning

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Proceedings Article | 7 September 2021 Paper

Automated 3D geometrical measurement system for mobile and large-scale conical workpiece based on laser scanning technologies

Sen Zhou, Lei Tao, Xiaoli Wu, Jun Xiong

Proceedings Volume 11828, 1182805 (2021) https://doi.org/10.1117/12.2597051

KEYWORDS: Laser scanners, 3D metrology, Laser applications, Inspection, Computing systems, Virtual reality, Prototyping, Laser optics, Control systems, 3D modeling

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Proceedings Article | 12 March 2021 Paper

A 3D geometric dimensional measurement method of step height

Sen Zhou, Jin Zhou, Jian Xu, Lei Tao

Proceedings Volume 11763, 117638P (2021) https://doi.org/10.1117/12.2587611

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Proceedings Article | 12 March 2021 Paper

Measurement of angular displacement by compact mechanical structure based on laser interference system

Jin Zhou, Sen Zhou, Jian Xu, Lei Tao, Xiaoli Wu

Proceedings Volume 11763, 117635R (2021) https://doi.org/10.1117/12.2587271

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Proceedings Article | 10 October 2020 Poster + Presentation + Paper

A location error calibration method for multiple probing systems

Sen Zhou, Jian Xu, Tao Lei, Yu Yan, Liu Tong

Proceedings Volume 11552, 1155212 (2020) https://doi.org/10.1117/12.2572686

KEYWORDS: Calibration, Curium, Composites, Standards development, Systems modeling, Sensors, Inspection, Imaging systems, Error analysis

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Proceedings Article | 18 December 2019 Paper

Light-scattering characteristics of turbidity-causing particles in JiaLingJiang River, Chongqing

Sen Zhou, Jian Xu, Lei Tao, Yu Yan, Yingqian Ni

Proceedings Volume 11338, 113381A (2019) https://doi.org/10.1117/12.2543640

KEYWORDS: Particles, Water, Dynamic light scattering, Light scattering, Scattering, Inspection, Bridges, Infrared imaging, Infrared lasers, Infrared radiation

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Proceedings Article | 18 December 2019 Paper

An experimental evaluation method for the performance of multiple probes on coordinate measuring system

Sen Zhou, Jian Xu, Tao Lei, Yan Yu, Yingqian Ni

Proceedings Volume 11338, 113380P (2019) https://doi.org/10.1117/12.2542069

KEYWORDS: Sensors, Standards development, Calibration, Laser scanners, Inspection, Imaging systems, 3D metrology, Metrology, Optical sensors, Laser development

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Proceedings Article | 9 November 2018 Paper

Multi-ring artifact for performance evaluation experiments on probing system combinations

Sen Zhou, Jian Xu, Long Wang, Lei Tao, Yan Yu, Yueqing Ding

Proceedings Volume 10819, 1081917 (2018) https://doi.org/10.1117/12.2323647

KEYWORDS: Standards development, Sensors, Imaging systems, Laser scanners, Manufacturing, Metrology, Inspection, Dimensional metrology, Composites, Image registration

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Proceedings Article | 23 October 2018 Paper

Systematic error correction of a gap measuring system using a multi-layer artifact

Sen Zhou, Jian Xu, Long Wang, Lei Tao, Yueqing Ding

Proceedings Volume 10821, 108211N (2018) https://doi.org/10.1117/12.2501052

KEYWORDS: Laser scanners, Calibration, Inspection, 3D scanning, Sensors, Metrology, 3D metrology, Curium, Manufacturing, Scanners

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Proceedings Article | 12 January 2018 Paper

Automated inspection of gaps on the free-form shape parts by laser scanning technologies

Sen Zhou, Jian Xu, Lei Tao, Lu An, Yan Yu

Proceedings Volume 10621, 1062116 (2018) https://doi.org/10.1117/12.2292509

KEYWORDS: Inspection, Laser scanners, Error analysis, Laser applications, Distance measurement, Manufacturing, Virtual reality, Control systems, Sensors, Clouds

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