Prof. Lingqin Kong Profile

Prof. Lingqin Kong

at Beijing Institute of Technology

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 21 August 2020 Presentation + Paper

Long-distance spatial position measurement based on multi-camera system

Wanyu Yang, Yuejin Zhao, Ming Liu, Liquan Dong, LingQin Kong, Mei Hui

Proc. SPIE. 11510, Applications of Digital Image Processing XLIII

KEYWORDS: Cameras, Calibration, Imaging systems, 3D acquisition, Distance measurement, Ranging, Machine vision, Image processing, Computer vision technology

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Proceedings Article | 21 August 2020 Presentation + Paper

Non-contact measurement of mental stress via heart rate variability

Fei Chen, Lingqin Kong, Yuejin Zhao, Liquan Dong, Ming Liu, Mei Hui

Proc. SPIE. 11510, Applications of Digital Image Processing XLIII

KEYWORDS: Heart, Skin, Video, Photoplethysmography, Signal processing, Cameras, Tissues, Pattern recognition, Nervous system

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Proceedings Article | 12 March 2020 Paper

Non-contact continuous blood pressure measurement based on imaging equipment

Ying Guo, Xiaohua Liu, Lingqin Kong, Ming Liu, Yuejin Zhao, Liquan Dong

Proc. SPIE. 11438, 2019 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology

KEYWORDS: Blood pressure, Video, Electronic filtering, Error analysis, High speed cameras, Statistical modeling, Filtering (signal processing), Video processing, Photoplethysmography

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Proceedings Article | 6 September 2019 Presentation + Paper

Motion robust imaging photoplethysmography in defocus blurring

Yuheng Wu, Lingqin Kong, Fei Chen, Yuejin Zhao, Liquan Dong, Ming Liu, Mei Hui, Xiaohua Liu, Cuiling Li, Weijie Wang

Proc. SPIE. 11137, Applications of Digital Image Processing XLII

KEYWORDS: Photoplethysmography, Video, Blood, RGB color model, Motion models

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Proceedings Article | 6 September 2019 Presentation + Paper

Non-invasive blood oxygen saturation detection with video image

Fen Li, Yuejin Zhao, Lingqin Kong, Ming Liu, Liquan Dong, Mei Hui, Xiaohua Liu

Proc. SPIE. 11136, Optics and Photonics for Information Processing XIII

KEYWORDS: RGB color model, Blood oxygen saturation, Video, Skin, Oxygen, Light emitting diodes, Calibration, Sensors, Light scattering, Blood

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Proceedings Article | 6 September 2019 Paper

Product detection based on CNN and transfer learning

Xingsheng Zhu, Ming Liu, Yuejin Zhao, Liquan Dong, Mei Hui, Lingqin Kong

Proc. SPIE. 11137, Applications of Digital Image Processing XLII

KEYWORDS: Detection and tracking algorithms, Convolution, Neural networks, Visualization, Machine vision, Computer vision technology, Artificial intelligence, Convolutional neural networks, Image classification

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Proceedings Article | 6 September 2019 Presentation + Paper

Real-time and robust heart rate measurement for multi-people in motion using IPPG

Weijie Wang, Lingqin Kong, Yuejin Zhao, Baoling Han, Ming Liu, Liquan Dong, Mei Hui, Yuheng Wu, Qifan Deng

Proc. SPIE. 11137, Applications of Digital Image Processing XLII

KEYWORDS: Signal processing, Motion measurement, Heart, Feature extraction, Video, Detection and tracking algorithms, RGB color model

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Proceedings Article | 14 August 2019 Paper

High-quality hybrid imaging with a cubic phase mask

Jingsong Li, Ming Liu, Yuejin Zhao, Liquan Dong, Lingqin Kong, Mei Hui, Xiaohua Liu

Proc. SPIE. 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019)

KEYWORDS: Point spread functions, Image quality, Wavefronts, Imaging systems, Image compression, Computer programming, Optical transfer functions, Image restoration, Thermography, Phase shift keying

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Proceedings Article | 2 November 2018 Paper

Monocular vision avoidance method based on fully convolutional networks

Ming Chang, Ming Liu, Yuejin Zhao, Liquan Dong, Mei Hui, Lingqin Kong

Proc. SPIE. 10817, Optoelectronic Imaging and Multimedia Technology V

KEYWORDS: Image segmentation, Robots, Cameras, Visualization, Sensors, Feature extraction, Image processing algorithms and systems, Machine vision, Artificial intelligence

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Proceedings Article | 17 September 2018 Presentation + Paper

Real-time video stitching based on ORB features and SVM

Ruifeng Yuan, Ming Liu, Mei Hui, Yuejin Zhao, Liquan Dong, Lingqin Kong, Zhi Cai

Proc. SPIE. 10752, Applications of Digital Image Processing XLI

KEYWORDS: Video, Distortion, Video surveillance, Cameras, Feature extraction, Calibration, Video processing, Image processing, Image registration, Optical filters

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Proceedings Article | 9 August 2018 Paper

Automatic segmentation of human depth map based on semantic segmentation of FCN and depth segmentation

Ruifeng Yuan, Mei Hui, Ming Liu, Yuejin Zhao, Liquan Dong, Lingqin Kong, Ming Chang, Zhi Cai

Proc. SPIE. 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018)

KEYWORDS: Image segmentation, Cameras, 3D acquisition, RGB color model, 3D metrology, Clouds, Image processing algorithms and systems, Neural networks, Photonics, Environmental sensing

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SPIE Journal Paper | 29 June 2018

Robust real-time heart rate prediction for multiple subjects from facial video using compressive tracking and support vector machine

LingLing Liu, Yuejin Zhao, Lingqin Kong, Ming Liu, Liquan Dong, Feilong Ma, Zongguang Pang

JMI Vol. 5 Issue 02

KEYWORDS: Video, Detection and tracking algorithms, Heart, Video compression, Data modeling, Computed tomography, Beam propagation method, Facial recognition systems, Databases, RGB color model

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Proceedings Article | 5 June 2018 Paper

Design of TMC wavefront coding system based on user defined surface mask plate

Xiaohu Guo, Tielin Lu, Jingjing Zhu, Weiwei Zhu, Meng Guo, Zuming Kang, Xiaoce Sun, Ji Zhao, Lingqin Kong, Renna Sa

Proc. SPIE. 10690, Optical Design and Engineering VII

KEYWORDS: Wavefronts, Zemax, Modulation transfer functions, Modulation, Mirrors, Ray tracing, Refractive index, Phase shift keying, Image compression, Imaging systems

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Proceedings Article | 12 January 2018 Paper

Accurate measurement of imaging photoplethysmographic signals based camera using weighted average

Zongguang Pang, Lingqin Kong, Yuejin Zhao, Huijuan Sun, Liquan Dong, Mei Hui, Ming Liu, Xiaohua Liu, Lingling Liu, Xiaohui Li, Rongji Li

Proc. SPIE. 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology

KEYWORDS: Heart, Signal to noise ratio, Cameras, Video, Photoplethysmography, Interference (communication), Blood

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Proceedings Article | 12 January 2018 Paper

Keyhole imaging method for dynamic objects behind the occlusion area

Conghui Hao, Xi Chen, Liquan Dong, Yuejin Zhao, Ming Liu, Lingqin Kong, Mei Hui, Xiaohua Liu, Hong Wu

Proc. SPIE. 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology

KEYWORDS: Video, Image quality, Image processing, Edge detection, Detection and tracking algorithms, Image fusion, Cameras, Feature extraction, Digital imaging, CCD cameras

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Proceedings Article | 12 January 2018 Paper

Brightness checkerboard lattice method for the calibration of the coaxial reverse Hartmann test

Xinji Li, Mei Hui, Ning Li, Shinan Hu, Ming Liu, Lingqin Kong, Liquan Dong, Yuejin Zhao

Proc. SPIE. 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems

KEYWORDS: Calibration, Signal to noise ratio, LCDs, Signal processing, Crystals, Aspheric lenses

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Proceedings Article | 12 January 2018 Paper

Edge detection of optical subaperture image based on improved differential box-counting method

Yi Li, Mei Hui, Ming Liu, Liquan Dong, Lingqin Kong, Yuejin Zhao

Proc. SPIE. 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology

KEYWORDS: Edge detection, Fractal analysis, Image enhancement, Image processing, Super resolution, Reconstruction algorithms, Image segmentation, Convolutional neural networks

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Proceedings Article | 10 January 2018 Paper

Design of a continuously zoom optical system

Xiaohu Guo, Tielin Lu, Jingshui Zhang, Lingqin Kong, Ji Zhao, Wen Zhang, Fupeng Wang

Proc. SPIE. 10616, 2017 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments

KEYWORDS: Zoom lenses, Modulation transfer functions, Distortion, Optical authentication, Image quality, Resistance, Monochromatic aberrations, Aspheric lenses, Neodymium, Lithium

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Proceedings Article | 19 September 2017 Paper

Edge detection for optical synthetic aperture based on deep neural network

Wenjie Tan, Mei Hui, Ming Liu, Lingqin Kong, Liquan Dong, Yuejin Zhao

Proc. SPIE. 10396, Applications of Digital Image Processing XL

KEYWORDS: Edge detection, Neural networks, Detection and tracking algorithms, Optical systems, Space telescopes, Image segmentation, Evolutionary algorithms, Synthetic aperture imaging, MATLAB

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Proceedings Article | 19 September 2017 Paper

Vision-based mobile robot navigation through deep convolutional neural networks and end-to-end learning

Yachu Zhang, Yuejin Zhao, Ming Liu, Liquan Dong, Lingqin Kong, Lingling Liu

Proc. SPIE. 10396, Applications of Digital Image Processing XL

KEYWORDS: Neural networks, Detection and tracking algorithms, Mobile robots, Information visualization, Visualization, Laser scanners, Ultrasonics, Sensors, Cameras, Evolutionary algorithms

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Proceedings Article | 19 September 2017 Paper

Real-time heart rate measurement for multi-people using compressive tracking

Lingling Liu, Yuejin Zhao, Ming Liu, Lingqin Kong, Liquan Dong, Feilong Ma, Zongguang Pang, Zhi Cai, Yachu Zhang, Peng Hua, Ruifeng Yuan

Proc. SPIE. 10396, Applications of Digital Image Processing XL

KEYWORDS: Video, Heart, Video compression, Detection and tracking algorithms, Video processing, Medicine, Automatic tracking, Signal detection, Denoising, Oximetry

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Proceedings Article | 30 August 2017 Presentation + Paper

Numerical simulation and analysis of aero-optical effect of the 3D side window

Yi Liu, Ming Liu, Mei Hui, Lingqin Kong, Liquan Dong, Yuejin Zhao, Yong Tan

Proc. SPIE. 10408, Laser Communication and Propagation through the Atmosphere and Oceans VI

KEYWORDS: Aerodynamics, Ray tracing, Refractive index, Numerical simulations, Computer simulations, Windows, Image sensors, Sensors, Optical simulations, Transmittance

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Proceedings Article | 24 August 2017 Presentation + Paper

Design and implementation of a large depth-of-field and large aperture optical system

Xiaohu Guo, Lingqin Kong, Yijian Wu, Yuejin Zhao, Liquan Dong, Ming Liu

Proc. SPIE. 10376, Novel Optical Systems Design and Optimization XX

KEYWORDS: Modulation transfer functions, Iris, Lens design, Image restoration, Computer programming, Imaging technologies, New and emerging technologies, Modulation

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Proceedings Article | 23 August 2017 Paper

Terahertz wave polyethylene lens based on wave front phase modulation

Tielin Lu, Xiaohu Guo, Lingqin Kong, Yuejin Zhao, Jingshui Zhang, Shijing Zhang

Proc. SPIE. 10383, Terahertz Emitters, Receivers, and Applications VIII

KEYWORDS: Terahertz radiation, Wavefronts, Modulation, Lens design, Optical design, Terahertz technology

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Proceedings Article | 16 August 2017

Why not serve an educational buffet for students? Blended learning in optics experimental education

Ya Zhou, Yao Hu, Liquan Dong, Ming Liu, Yuejin Zhao, Lingqin Kong, Qun Hao, Yifan Huang

Proc. SPIE. 10452, 14th Conference on Education and Training in Optics and Photonics: ETOP 2017

KEYWORDS: Optoelectronics, Optics education, Engineering education

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Proceedings Article | 8 December 2016 Paper

The birefringence of two liquid crystals in terahertz band

Huijuan Sun, Qingli Zhou, Chenyu Li, Lingqin Kong, Yuejin Zhao, Cunlin Zhang

Proc. SPIE. 10030, Infrared, Millimeter-Wave, and Terahertz Technologies IV

KEYWORDS: Liquid crystals, Terahertz radiation, Spectroscopy, Electro optics, Birefringence, Terahertz spectroscopy, Refraction, Refractive index, Silica, Anisotropy

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Proceedings Article | 5 October 2016 Paper

On-axis reverse Hartmann test in aspheric optical surface test with the optical flat calibration

Zhengzheng Xia, Mei Hui, Zhu Zhao, Ming Liu, Liquan Dong, Xiaohua Liu, Lingqin Kong, Yuejin Zhao

Proc. SPIE. 9961, Reflection, Scattering, and Diffraction from Surfaces V

KEYWORDS: Optical testing, Calibration, Aspheric lenses, Off axis mirrors, Mirrors, Sensors, LCDs, Image sensors, Spherical lenses, Geometrical optics

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Proceedings Article | 28 September 2016 Paper

Sea surface target detection and recognition algorithm based on local and global salient region detection

Wei Wei, Xiaohua Liu, Bingbing Zhou, Yuejin Zhao, Liquan Dong, Ming Liu, Lingqin Kong, Xuhong Chu

Proc. SPIE. 9971, Applications of Digital Image Processing XXXIX

KEYWORDS: Target detection, Detection and tracking algorithms, Image segmentation, Target recognition, Principal component analysis, Visualization, Convolution, Fourier transforms, RGB color model, Calibration

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Proceedings Article | 10 August 2015 Paper

Wearable sensor for heart rate detection

Cong Shi, Xiaohua Liu, Lingqin Kong, Jizhe Wu, Ming Liu, Liquan Dong, Mei Hui, Yuejin Zhao

Proc. SPIE. 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications

KEYWORDS: Heart, Sensors, Signal processing, LabVIEW, Data acquisition, Tissue optics, MATLAB, Signal detection, Blood, Blood vessels

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Proceedings Article | 7 August 2015 Paper

Analysis on the effect of hypersonic vehicle’s optical window on infrared thermal imaging system

Liquan Dong, Ying Han, Lingqin Kong, Ming Liu, Yuejin Zhao, Li Zhang, Yanhong Li, Yi Tian, Renna Sa

Proc. SPIE. 9623, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems

KEYWORDS: Refractive index, Point spread functions, Thermography, Infrared radiation, Adaptive optics, Thermal optics, Thermal effects, Sensors, Imaging systems

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Proceedings Article | 5 August 2015 Paper

Non-contact Real-time heart rate measurements based on high speed circuit technology research

Jizhe Wu, Xiaohua Liu, Lingqin Kong, Cong Shi, Ming Liu, Mei Hui, Liquan Dong, Yuejin Zhao

Proc. SPIE. 9622, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology

KEYWORDS: Heart, Video, Image processing, Video processing, Independent component analysis, Blood, Signal processing, Cameras, Skin, Absorption

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Proceedings Article | 27 September 2013 Paper

A method for measuring laser incident direction with non-imaging mode and resolution analysis

Bing Li, Yue-jin Zhao, Xiao-hu Guo, Jing-shui Zhang, Ling-qin Kong

Proc. SPIE. 8840, Optical Modeling and Performance Predictions VI

KEYWORDS: Laser systems engineering, Imaging systems, Charge-coupled devices, Image resolution, Optical filters, Light, Laser sources, Filtering (signal processing), Optical design, Zemax

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Proceedings Article | 30 November 2012 Paper

Method of Sun scene simulation based on active optical control system for solar occultation measurement

Fei Yu, Zhe Lin, Ling-qin Kong, Yue-jin Zhao, Xiao-jun Kang

Proc. SPIE. 8558, Optoelectronic Imaging and Multimedia Technology II

KEYWORDS: Sun, Deformable mirrors, Scene simulation, Wavefronts, Device simulation, Computer simulations, Mirrors, Atmospheric optics, Control systems, Sensors

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Proceedings Article | 24 October 2012 Paper

A method for capturing the shape and location of the sun on occurrence of solar occultation

Lingqin Kong, Yuejin Zhao, Fei Yu, Liquan Dong, Bing Li

Proc. SPIE. 8513, Remote Sensing and Modeling of Ecosystems for Sustainability IX

KEYWORDS: Sun, Refraction, Earth's atmosphere, Satellites, Atmospheric sensing, Sensors, Refractive index, Clouds, Remote sensing, Atmospheric modeling

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Showing 5 of 34 publications

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