Dr. Yunjing Ji Profile

Dr. Yunjing Ji

at Nanjing Univ of Science and Technology

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 27 November 2023 Poster + Paper

A quantitative reconstruction method for background-oriented schlieren by reducing the weight matrix

Huajun Cai, Yang Song, Yunjing Ji, Zhenhua Li, Anzhi He

Proceedings Volume 12769, 1276912 (2023) https://doi.org/10.1117/12.2685816

KEYWORDS: Refractive index, CT reconstruction, Schlieren techniques

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SPIE Journal Paper | 6 May 2021

Decomposition of LiDAR waveforms with negative tails by Gaussian mixture model

Zhiyong Gu, Jiancheng Lai, Chunyong Wang, Wei Yan, Yunjing Ji, Zhenhua Li

OE, Vol. 60, Issue 05, 054102, (May 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.5.054102

KEYWORDS: LIDAR, Detection and tracking algorithms, Convolution, Optical engineering, Deconvolution, Semiconductor lasers, Receivers, Ranging, Pulsed laser operation, Transmitters

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SPIE Journal Paper | 8 October 2020

Deconvolution of light detection and ranging detection waveforms with negative tails using nonlinear least squares method

Zhiyong Gu, Jiancheng Lai, Chunyong Wang, Wei Yan, Yunjing Ji, Zhenhua Li

OE, Vol. 59, Issue 10, 103102, (October 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.10.103102

KEYWORDS: LIDAR, Deconvolution, Optical engineering, Convolution, Vegetation, Detection and tracking algorithms, Target detection, Solids, Signal processing, Signal detection

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Proceedings Article | 6 February 2019 Paper

Structural modeling and strength characteristics of optical system in strong impact environment

Xiaobin Hua, Jiancheng Lai, Chunyong Wang, Zhenhua Li, Yunjing Ji, Wei Yan

Proceedings Volume 10842, 108420I (2019) https://doi.org/10.1117/12.2506549

KEYWORDS: Optical components, Finite element methods, Target detection, Optical mounts, Analytical research, Solid modeling, Glasses, Resistance, Environmental sensing

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Proceedings Article | 18 January 2019 Paper

The theory model establishment and experiment measure of Lidar ranging signal in large incident angle condition

Bai Ning, Jiancheng Lai, Chunyong Wang, Wei Yan, Yunjing Ji, Zhenhua Li

Proceedings Volume 10839, 108390K (2019) https://doi.org/10.1117/12.2504930

KEYWORDS: LIDAR, Pulsed laser operation, Roads, Optical simulations, Prototyping, Laser scattering, Ranging, Signal detection, Radar, Detection theory

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Proceedings Article | 18 January 2019 Paper

Research on obstacle detection and location of indoor robot based on LIDAR

Ailing Zou, Jiancheng Lai, Zhenhua Li, Chunyong Wang, Wei Yan, Yunjing Ji

Proceedings Volume 10839, 108390P (2019) https://doi.org/10.1117/12.2504952

KEYWORDS: LIDAR, Radar, Environmental sensing, Digital filtering, Sensors, Optical filters, Data acquisition, Data modeling, Clouds, Spatial resolution

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Proceedings Article | 16 August 2017 Open Access

Virtual experiment of optical spatial filtering in Matlab environment

Yunjing Ji, Chunyong Wang, Yang Song, Jiancheng Lai, Qinghua Wang, Jing Qi, Zhonghua Shen

Proceedings Volume 10452, 1045266 (2017) https://doi.org/10.1117/12.2269917

KEYWORDS: Image filtering, Spatial filters, MATLAB, Computer simulations, Image processing, Human-machine interfaces

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Proceedings Article | 16 August 2017 Open Access

Research on Experiment-Guidance-Theory teaching mode in optics course

Jiancheng Lai, Zhenhua Li, Yunjing Ji, Jing Qi, Yang Song

Proceedings Volume 10452, 104526M (2017) https://doi.org/10.1117/12.2269983

KEYWORDS: Optics education

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Proceedings Article | 16 August 2017 Open Access

Simulation with Python on transverse modes of the symmetric confocal resonator

Qing Hua Wang, Jing Qi, Yun Jing Ji, Yang Song, Zhenhua Li

Proceedings Volume 10452, 104525U (2017) https://doi.org/10.1117/12.2269884

KEYWORDS: Optical simulations, Confocal microscopy, Resonators, Laser resonators, Computer programming

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Proceedings Article | 16 August 2017 Open Access

Undergraduate education for optical engineering in China under the multidisciplinary education background

Jing Qi, Yunjing Ji

Proceedings Volume 10452, 104526A (2017) https://doi.org/10.1117/12.2269931

KEYWORDS: Optics education, Optical engineering

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Proceedings Article | 4 November 2016 Paper

An improved calculation model of weight coefficient for three-dimensional flame chemiluminescence tomography based on lens imaging theory

Ying Jin, Yang Song, Wenchao Wang, Yunjing Ji, Zhenhua Li, Anzhi He

Proceedings Volume 10026, 1002612 (2016) https://doi.org/10.1117/12.2245406

KEYWORDS: 3D modeling, Chemiluminescence, Tomography, 3D image processing, Combustion, Imaging systems, Image processing, Cameras, Numerical simulations, Computer simulations

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Proceedings Article | 31 October 2016 Paper

Three-dimensional illumination system for tomographic particle image velocimetry

Fen Zhang, Yang Song, Xiangju Qu, Yunjing Ji, Zhenhua Li, Anzhi He

Proceedings Volume 10021, 100211D (2016) https://doi.org/10.1117/12.2245992

KEYWORDS: Tomography, Particle image velocimetry, Light, 3D image processing, Light sources, Prisms, Reflectors, Beam expanders, Particles, Particle systems

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Proceedings Article | 3 December 2014 Paper

Study on the mechanical analysis and the testing technology of the optical fiber cables released from the bobbin

Rong Wang, Zhen-hua Li, Bao-min Bian, Cheng-lin Liu, Yun-jing Ji

Proceedings Volume 9297, 929715 (2014) https://doi.org/10.1117/12.2072231

KEYWORDS: Sensors, Optical fibers, Optical fiber cables, Analytical research, Light emitting diodes, Mechanical engineering, Physics, Instrument modeling, Signal processing, Optical testing

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Proceedings Article | 3 December 2014 Paper

Study on the testing technology of the strong bending losses from the optical fiber cables released from the bobbin

Rong Wang, Zhen-hua Li, Bao-min Bian, Cheng-lin Liu, Yun-jing Ji

Proceedings Volume 9297, 92970W (2014) https://doi.org/10.1117/12.2071522

KEYWORDS: Optical fibers, Signal attenuation, Optical fiber cables, Optical testing, Calibration, Signal processing, Fiber optics sensors, Physics, Semiconductor lasers, Oscilloscopes

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Proceedings Article | 11 November 2014 Paper

Simulation on the particle flow in laser airborne particle counting sensor

Jiancheng Lai, Ting Zou, Chunyong Wang, Wei Yan, Yunjing Ji, Zhenhua Li

Proceedings Volume 9274, 927413 (2014) https://doi.org/10.1117/12.2070241

KEYWORDS: Particles, Sensors, Laser scattering, Airborne laser technology, Light scattering, Optical simulations, Software development, Computer simulations, Neodymium, Laser applications

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Proceedings Article | 29 November 2012 Paper

An equivalent method to analyze the electrical effect induced by laser plasma

Yunjing Ji, Chunyong Wang, Baomin Bian

Proceedings Volume 8551, 85511K (2012) https://doi.org/10.1117/12.2008430

KEYWORDS: Plasma, Signal detection, Laser energy, Laser ablation, Metals, Oscilloscopes, Switches, Copper, Beam splitters, Target detection

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Proceedings Article | 6 December 2005 Paper

Experimental research of relationship between macro-bending losses and bending length of mono-mode fibers

XueZhen Wang, YunJing Ji, BaoMin Bian, ZhenHua Li, Ping Zhang

Proceedings Volume 6019, 60191I (2005) https://doi.org/10.1117/12.635129

KEYWORDS: Optical fibers, Cladding, Physics, Sun, Lithium, Fiber optics sensors, Electroluminescence, Transmittance, Light sources

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Proceedings Article | 8 December 2003 Paper

Investigation on the fluorescence spectra of thioredoxin reductase from the human brain

Xiufeng Lan, Ying Liu, Yunjing Ji, Zhonghua Shen, Jian Lu, Xiao-Wu Ni, Tao Yang, Xiaosen Luo, Jiangang Liu, Lin Xu

Proceedings Volume 5254, (2003) https://doi.org/10.1117/12.546563

KEYWORDS: Luminescence, Proteins, Ultraviolet radiation, Brain, Spectroscopy, Absorption, Fluorescence spectroscopy, Molecules, Biological research, Electrons

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Showing 5 of 18 publications

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