Dr. Kefei Liao Profile

Dr. Kefei Liao

at Guilin University of Electronic Technology

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 4 December 2024 Paper

A novel SAR sparse imaging algorithm based on low-rank matrix completion

Feihong Xie, Honggao Deng, Ningbo Xie, Kefei Liao, Guisheng Liao, Hanbo Chen, Shan Ouyang

Proceedings Volume 13283, 132834Q (2024) https://doi.org/10.1117/12.3037293

KEYWORDS: Matrices, Synthetic aperture radar, Detection and tracking algorithms, Reconstruction algorithms, Compressed sensing, Scattering, Radar imaging, Radar, Monte Carlo methods, Imaging arrays

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Proceedings Article | 4 December 2024 Paper

Research on multi-person respiration and heartbeat detection method based on adaptive VMD using mmWave radar

Chaoyuan Cen, Ningbo Xie, Kefei Liao, Shan Ouyang, Tao Fu, Qinlin Li, Jingjing Li

Proceedings Volume 13283, 132833F (2024) https://doi.org/10.1117/12.3037120

KEYWORDS: Target detection, Signal processing, Radar sensor technology, Smoothing, Modal decomposition, Heart, Detection and tracking algorithms, Radar

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Proceedings Article | 4 December 2024 Paper

Fall direction detection using parallel CNN based on millimeter-wave radar multidimensional feature fusion

Shukun Ren, Hanbo Chen, Kefei Liao, Honggao Deng, Guisheng Liao, Tao Fu, Jingjing Li

Proceedings Volume 13283, 1328345 (2024) https://doi.org/10.1117/12.3037207

KEYWORDS: Doppler effect, Radar, Radar sensor technology, Feature extraction, Radar signal processing, Matrices, Feature fusion, Data modeling, Detection and tracking algorithms, Convolutional neural networks

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Proceedings Article | 28 March 2024 Paper

Research on 3D synthetic aperture radar imaging of frequency diversity array based on deconvolution algorithm

Zhenbo Wang, Kefei Liao, Haitao Wang, Ningbo Xie, Qizhi Yang

Proceedings Volume 13091, 130910U (2024) https://doi.org/10.1117/12.3022763

KEYWORDS: Matrices, Image deconvolution, Detection and tracking algorithms, Scattering, 3D modeling, Synthetic aperture radar, Imaging arrays, Signal to noise ratio, Point spread functions, 3D image processing

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Proceedings Article | 28 March 2024 Paper

A graph-based target localization method in non-uniform frequency diversity array radar

Ningbo Xie, Kefei Liao, Shan Ouyang, Qinlin Li

Proceedings Volume 13091, 130911G (2024) https://doi.org/10.1117/12.3023089

KEYWORDS: Radar, Matrices, Radar signal processing, Fourier transforms, Detection and tracking algorithms, Numerical simulations, Antennas, Spatial filtering, Signal processing, Sensors

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SPIE Journal Paper | 14 December 2023

Inverse synthetic aperture radar imaging technology based on multiple repeated subpulses of frequency diversity array

Zhenbo Wang, Ningbo Xie, Kefei Liao, Qinlin Li

JARS, Vol. 17, Issue 04, 046511, (December 2023) https://doi.org/10.1117/12.10.1117/1.JRS.17.046511

KEYWORDS: Radar, Synthetic aperture radar, Imaging technologies, Radar imaging, Imaging systems, Image resolution, Target detection, Matrices, Repetition frequency, Imaging arrays

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Proceedings Article | 15 February 2022 Paper

Resource scheduling algorithm for multi-target imaging in netted radar based on SIMO technology

Liping Yang, Kefei Liao, Shan Ouyang, Ningbo Xie

Proceedings Volume 12166, 1216645 (2022) https://doi.org/10.1117/12.2617170

KEYWORDS: Radar, Radar imaging, Imaging systems, Detection and tracking algorithms, Target recognition, Telecommunications, Systems modeling, Stereoscopy, Navigation systems, Computer simulations

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SPIE Journal Paper | 17 January 2022 Open Access

Buried target detection method for ground penetrating radar based on deep learning

Hui Wang, Shan Ouyang, Qinghua Liu, Kefei Liao, Lijun Zhou

JARS, Vol. 16, Issue 01, 018503, (January 2022) https://doi.org/10.1117/12.10.1117/1.JRS.16.018503

KEYWORDS: Target detection, General packet radio service, Detection and tracking algorithms, Feature extraction, Ground penetrating radar, Convolution, Data modeling, Image segmentation, Image processing, Image fusion

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SPIE Journal Paper | 31 December 2021

Focused tracking beamforming of frequency diversity array with multiple repeated subpulses

Helei Wang, Kefei Liao, Shan Ouyang, Haitao Wang, Ningbo Xie

JARS, Vol. 15, Issue 04, 040502, (December 2021) https://doi.org/10.1117/12.10.1117/1.JRS.15.040502

KEYWORDS: Radar, Signal processing, Target recognition, Target detection, Signal to noise ratio, Signal detection, Fourier transforms, Wireless communications, Neodymium, Electromagnetic radiation

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SPIE Journal Paper | 31 March 2021 Open Access

Resource scheduling algorithm optimization for multitarget inverse synthetic aperture radar imaging in radar network

Helei Wang, Kefei Liao, Shan Ouyang, Haitao Wang, Liping Yang

JARS, Vol. 15, Issue 01, 016521, (March 2021) https://doi.org/10.1117/12.10.1117/1.JRS.15.016521

KEYWORDS: Radar, Detection and tracking algorithms, Radar imaging, Synthetic aperture radar, Optimization (mathematics), Computer simulations, Cognition, 3D acquisition, Target recognition, Target detection

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Showing 5 of 10 publications

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