Prof. Weiji He Profile
Prof. Weiji He
at Nanjing Univ. of Science and Technology
SPIE Involvement:
Author
Publications (43)

Proceedings Article | 13 December 2024 Paper
Proceedings Volume 13498, 1349807 (2024) https://doi.org/10.1117/12.3046533
KEYWORDS: Dark current, Infrared radiation, Spectral response, Quantum detection, Sensors, Infrared detectors, Infrared imaging, Control software, Indium gallium arsenide

Proceedings Article | 6 November 2023 Paper
Lin Zhou, Ben Wang, Yan Li, Weiji He, Lijian Zhang
Proceedings Volume 12921, 129214G (2023) https://doi.org/10.1117/12.2691802
KEYWORDS: Quantum limits, Quantum imaging, Partial coherence, Quantum coherence, Point spread functions, Super resolution, Quantum sources, Quantum Fisher information, Image resolution, Signal to noise ratio

Proceedings Article | 8 July 2022 Paper
Proceedings Volume 12280, 122800C (2022) https://doi.org/10.1117/12.2619953
KEYWORDS: Laser induced breakdown spectroscopy, Q switched lasers

Proceedings Article | 27 March 2022 Paper
Proceedings Volume 12169, 1216911 (2022) https://doi.org/10.1117/12.2620960
KEYWORDS: Upconversion, Cameras, Temperature metrology, Infrared imaging, Time metrology, Short wave infrared radiation, Nonlinear crystals, Image quality, Infrared radiation, Signal to noise ratio

Proceedings Article | 27 March 2022 Paper
Proceedings Volume 12169, 1216912 (2022) https://doi.org/10.1117/12.2620965
KEYWORDS: Upconversion, Photon counting, Fiber lasers, Crystals, Point spread functions, Mirrors, Digital micromirror devices, Polarization, Nonlinear crystals, Micromirrors

Proceedings Article | 27 March 2022 Paper
Yan Li, Yongcheng Han, Guohua Gu, Weiji He, Qian Chen
Proceedings Volume 12169, 121690U (2022) https://doi.org/10.1117/12.2620750
KEYWORDS: Upconversion, Infrared radiation, Infrared imaging, Modulation, Infrared detectors, Gaussian pulse, Signal detection, Quantum efficiency, Sum-frequency generation, Signal processing

Proceedings Article | 24 November 2021 Paper
Proceedings Volume 12061, 120610M (2021) https://doi.org/10.1117/12.2603891
KEYWORDS: Imaging systems, Nonlinear crystals, Upconversion, Cameras, Image processing, Temperature metrology, Pulsed laser operation, Fiber lasers, Collimators, Collimation

Proceedings Article | 12 March 2021 Paper
Proceedings Volume 11763, 117631K (2021) https://doi.org/10.1117/12.2586286

Proceedings Article | 12 March 2021 Paper
Proceedings Volume 11763, 117631J (2021) https://doi.org/10.1117/12.2586285

Proceedings Article | 12 March 2021 Paper
Hang Xu, Ying-Chun Xu, Li-Jiao He, Wei-Ji He, Chong Liu, Chu Chu
Proceedings Volume 11763, 1176346 (2021) https://doi.org/10.1117/12.2586897

Proceedings Article | 12 March 2020 Paper
Proceedings Volume 11439, 1143915 (2020) https://doi.org/10.1117/12.2547976
KEYWORDS: Infrared radiation, Infrared imaging, Calibration, Sensors, Imaging systems, Mid-IR, Black bodies, Minimum resolvable temperature difference, Target detection, Distortion

Proceedings Article | 12 March 2020 Paper
Proceedings Volume 11439, 1143910 (2020) https://doi.org/10.1117/12.2544098
KEYWORDS: Neural networks, Minimum resolvable temperature difference, Infrared imaging, Image processing, Imaging systems, Data modeling, Image classification, Black bodies, Eye, Image enhancement

Proceedings Article | 12 March 2020 Paper
Proceedings Volume 11434, 114340U (2020) https://doi.org/10.1117/12.2548100
KEYWORDS: Imaging systems, Image processing, Cameras, Field programmable gate arrays, Image enhancement, Night vision, Sensors, Image sensors, Color imaging, CMOS sensors

Proceedings Article | 12 March 2020 Paper
Proceedings Volume 11439, 114391M (2020) https://doi.org/10.1117/12.2550266
KEYWORDS: Electron multiplying charge coupled devices, Imaging systems, Cameras, Charge-coupled devices, CCD cameras, Quantum efficiency, Computing systems, Control systems

Proceedings Article | 18 December 2019 Paper
Yuqi Jiang, Xinmin Zhou, Weiji He, Guohua Gu
Proceedings Volume 11338, 113380U (2019) https://doi.org/10.1117/12.2542630
KEYWORDS: Upconversion, Nonlinear crystals, Mid-IR, Sensors, Temperature metrology, Imaging spectroscopy, Atmospheric modeling, Signal detection, Crystals, Image processing

Proceedings Article | 14 August 2019 Paper
Proceedings Volume 11179, 111790Q (2019) https://doi.org/10.1117/12.2539662
KEYWORDS: Reconstruction algorithms, Detection and tracking algorithms, Interference (communication), Photon counting, LIDAR, Signal to noise ratio, Image restoration, Target detection, Clouds, Photodetectors

SPIE Journal Paper | 23 May 2019
OE, Vol. 58, Issue 05, 053103, (May 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.5.053103
KEYWORDS: Reconstruction algorithms, Integral imaging, Detection and tracking algorithms, Electron multiplying charge coupled devices, Charge-coupled devices, Image quality, Image processing, 3D acquisition, 3D image processing, 3D displays

Proceedings Article | 18 September 2018 Paper
Ling Ye, Guohua Gu, Weiji He, Wenye Yin, Jie Lin, Jian Fang
Proceedings Volume 10767, 107670X (2018) https://doi.org/10.1117/12.2317805
KEYWORDS: LIDAR, Photon counting, Avalanche photodiodes, 3D image processing, Photodetectors, Quantitative analysis, Single photon detectors, Atmospheric optics

Proceedings Article | 17 September 2018 Paper
Proceedings Volume 10752, 107521S (2018) https://doi.org/10.1117/12.2319429
KEYWORDS: Coded apertures, X-rays, Tomography, Sensors, X-ray sources, Reconstruction algorithms, Optimization (mathematics), Computer simulations, Computed tomography, Signal processing

Proceedings Article | 9 August 2018 Paper
Proceedings Volume 10806, 108063N (2018) https://doi.org/10.1117/12.2503117
KEYWORDS: 3D image processing, 3D acquisition, Photon counting, Target detection, Detection and tracking algorithms, Signal detection, Denoising, Time correlated photon counting, Sensors, Imaging systems

Proceedings Article | 9 August 2018 Paper
Proceedings Volume 10806, 108063M (2018) https://doi.org/10.1117/12.2503069
KEYWORDS: LIDAR, Photon counting, 3D acquisition, Image processing, Image resolution, 3D image processing, Stereoscopy, Reconstruction algorithms, Imaging systems

Proceedings Article | 9 August 2018 Paper
Proceedings Volume 10806, 108063P (2018) https://doi.org/10.1117/12.2503130
KEYWORDS: Photon counting, Integral imaging, 3D image processing, Reconstruction algorithms, Cameras, Expectation maximization algorithms, Imaging systems, 3D acquisition, 3D image reconstruction, Image analysis

Proceedings Article | 6 September 2017 Paper
Proceedings Volume 10410, 104101A (2017) https://doi.org/10.1117/12.2272923
KEYWORDS: Photon counting, 3D acquisition, Wavelets, Multiplexing, 3D metrology, Image acquisition

Proceedings Article | 1 August 2017 Paper
Proceedings Volume 10339, 1033922 (2017) https://doi.org/10.1117/12.2270162
KEYWORDS: Photon counting, Laser development, Vertical cavity surface emitting lasers, Receivers, Monte Carlo methods, Avalanche photodiodes, Time correlated photon counting, Pulsed laser operation, Calibration

Proceedings Article | 10 February 2017 Paper
Proceedings Volume 10250, 102501V (2017) https://doi.org/10.1117/12.2266826
KEYWORDS: LIDAR, Imaging systems, Photon counting, Radar imaging, Single photon detectors, Laser systems engineering

Proceedings Article | 10 February 2017 Paper
Yiyun Yan, Huidong Dai, Jin Gao, Chaowei Li, Xingjiong Liu, Weiji He, Qian Chen, Guohua Gu
Proceedings Volume 10250, 102502R (2017) https://doi.org/10.1117/12.2266839
KEYWORDS: Color imaging, Computational imaging, Image restoration, Wavelets

Proceedings Article | 24 October 2016 Paper
Proceedings Volume 9682, 96820Y (2016) https://doi.org/10.1117/12.2242623
KEYWORDS: Reconstruction algorithms, Fourier transforms, Sensors, Synthetic apertures, Detection and tracking algorithms, Spatial resolution, Telescopes, Binary data, Interferometry, Light

Proceedings Article | 15 October 2015 Paper
Proceedings Volume 9674, 967437 (2015) https://doi.org/10.1117/12.2204899
KEYWORDS: Wavelets, Digital micromirror devices, Image processing, Image fusion, Digital image processing, Signal detection, Sensors, Digital Light Processing, Target detection, Signal processing

Proceedings Article | 15 October 2015 Paper
Le Luo, Qian Chen, Wei-Ji He, Zhen-Xi Lu
Proceedings Volume 9674, 96742G (2015) https://doi.org/10.1117/12.2201041
KEYWORDS: Electron multiplying charge coupled devices, Imaging systems, Resistance, Image quality, Electrons, Digital electronics, Charge-coupled devices, Electrodes, Tin, Image resolution

Proceedings Article | 8 October 2015 Paper
Proceedings Volume 9677, 96770Z (2015) https://doi.org/10.1117/12.2199318
KEYWORDS: Signal to noise ratio, Monte Carlo methods, Probability theory, Ranging, Signal detection, Systems modeling, Performance modeling, Optical simulations, Interference (communication), Photon counting

Proceedings Article | 1 September 2015 Paper
Proceedings Volume 9611, 961117 (2015) https://doi.org/10.1117/12.2187709
KEYWORDS: Target detection, Hyperspectral imaging, Hyperspectral target detection, Principal component analysis, Distortion, Sensors, Image analysis, Yield improvement, Remote sensing, Signal detection

Proceedings Article | 13 November 2014 Paper
Proceedings Volume 9279, 92790Y (2014) https://doi.org/10.1117/12.2068732
KEYWORDS: Signal to noise ratio, Monte Carlo methods, Probability theory, Photon counting, Ranging, Interference (communication), Signal detection, Time correlated photon counting, Photon transport, Statistical modeling

Proceedings Article | 19 December 2013 Paper
Proceedings Volume 9045, 90451V (2013) https://doi.org/10.1117/12.2038158
KEYWORDS: Image compression, Hyperspectral imaging, Image quality, Computer programming, Reconstruction algorithms, Signal to noise ratio, Wavelets, Spectroscopy, Image processing, Wavelet transforms

Proceedings Article | 19 December 2013 Paper
Chenghao Liu, Wenye Yin, Zhuang Miao, Wei-ji He, Qian Chen, Guo-Hua Gu
Proceedings Volume 9045, 904507 (2013) https://doi.org/10.1117/12.2038144
KEYWORDS: Sensors, Target detection, Imaging systems, Pulsed laser operation, Reflectivity, Laser applications, Optical simulations, Laser energy, Photon counting, Image sensors

Proceedings Article | 19 September 2013 Paper
Proceedings Volume 8905, 89051D (2013) https://doi.org/10.1117/12.2034059
KEYWORDS: Pulsed laser operation, Photon counting, LIDAR, Sensors, 3D modeling, Error analysis, Calibration, Signal detection, Photodetectors, Laser energy

Proceedings Article | 19 September 2013 Paper
Proceedings Volume 8905, 890515 (2013) https://doi.org/10.1117/12.2033661
KEYWORDS: 3D image processing, 3D acquisition, Sensors, Stereoscopy, Pulsed laser operation, Image sensors, Signal detection, 3D metrology, Imaging systems, Target detection

Proceedings Article | 19 September 2013 Paper
Proceedings Volume 8905, 89051N (2013) https://doi.org/10.1117/12.2034467
KEYWORDS: Probability theory, Photon counting, Pulsed laser operation, Target detection, Single photon, Ranging, LIDAR, Signal detection, Sensors, Light sources

Proceedings Article | 30 August 2013 Paper
Proceedings Volume 8910, 89100M (2013) https://doi.org/10.1117/12.2032686
KEYWORDS: Detection and tracking algorithms, Hyperspectral imaging, Target detection, Image segmentation, Hyperspectral target detection, Ions, Interference (communication), Principal component analysis, Wavelets, RGB color model

Proceedings Article | 21 August 2013 Paper
Proceedings Volume 8908, 89080N (2013) https://doi.org/10.1117/12.2032694
KEYWORDS: Detection and tracking algorithms, Image quality, Reconstruction algorithms, Sensors, Compressed sensing, Nonlinear response, Computer simulations, Image restoration, Image processing, Imaging systems

SPIE Journal Paper | 18 April 2013 Open Access
OE, Vol. 52, Issue 04, 043204, (April 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.4.043204
KEYWORDS: Reconstruction algorithms, Sensors, Nonlinear response, Detection and tracking algorithms, Compressed sensing, Image quality, Imaging systems, Image restoration, Error analysis, Algorithms

Proceedings Article | 15 October 2012 Paper
Ruiqing He, Qian Chen, Yaojin Chen, Wei Cheng, Weiji He
Proceedings Volume 8417, 841717 (2012) https://doi.org/10.1117/12.975826
KEYWORDS: Image quality, Photon counting, Image quality standards, Image information entropy, Standards development, Image processing, Photonics systems, Optical testing, Signal detection, Image fusion

Proceedings Article | 9 May 2012 Paper
Wei-ji He, Yaojin Chen, Qian Chen, Guo-Hua Gu, Wei Cheng
Proceedings Volume 8366, 83660T (2012) https://doi.org/10.1117/12.920543
KEYWORDS: Photons, Sensors, Signal to noise ratio, Signal detection, Single photon, Light emitting diodes, LabVIEW, Luminescence, Analog electronics, Interference (communication)

Proceedings Article | 3 March 2008 Paper
Proceedings Volume 6621, 66210N (2008) https://doi.org/10.1117/12.790667
KEYWORDS: Avalanche photodetectors, Ranging, Single photon, Pulsed laser operation, Quenching (fluorescence), Sensors, Photon counting, Photodetectors, Sun, Laser applications

Showing 5 of 43 publications
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