Prof. Changxian Li Profile

Prof. Changxian Li

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Publications (5)

SPIE Journal Paper | 23 February 2024

WDC-YOLO: an improved YOLO model for small objects oriented printed circuit board defect detection

Xudong Song, Yucheng Wang, Changxian Li, Lifang Song

JEI, Vol. 33, Issue 01, 013051, (February 2024) https://doi.org/10.1117/12.10.1117/1.JEI.33.1.013051

KEYWORDS: Object detection, Defect detection, Small targets, Convolution, Feature extraction, Data modeling, Education and training, Computer aided design, Target detection, Printing

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Proceedings Article | 20 June 2023 Paper

A BP neural network time delay prediction method based on phase space reconstruction

Wenzhe Sun, Liyan Zhang, Huigang Xu, Shunkun Dou, Changxian Li

Proceedings Volume 12715, 127152I (2023) https://doi.org/10.1117/12.2682466

KEYWORDS: Neural networks, Phase reconstruction, Education and training, Wavelets, Evolutionary algorithms, Particles, Lithium, Windows, Reconstruction algorithms, Performance modeling

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Proceedings Article | 29 April 2023 Paper

A novel PCB fault diagnosis method based on tiny object detection

Chengwei Kang, Peicheng Cong, Yongbo Sun, Shengqi Wang, Xi Liu, Longjie Duan, Kuan Wu, Peng Cao, Dong Qin, Changxian Li, Xudong Song

Proceedings Volume 12610, 126102E (2023) https://doi.org/10.1117/12.2671108

KEYWORDS: Object detection, Target detection, Super resolution, Image enhancement, Image restoration, Image processing, Electronic components, Thermography

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Proceedings Article | 16 December 2022 Paper

Modeling and analysis of common mode conducted electromagnetic interference of metro traction inverter

Lei Wang, Changxian Li, Yanjun Ge, Pin Wen

Proceedings Volume 12500, 125002H (2022) https://doi.org/10.1117/12.2662658

KEYWORDS: Electromagnetic interference, Capacitance, Copper, Electromagnetic coupling, Device simulation, Circuit switching, 3D modeling, Field effect transistors, Switches, Bridges

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Proceedings Article | 2 November 2022 Paper

Improved EMD-PSO-LSSVM train wireless network time-delay prediction

S. K. Dou, L. Y. Zhang, C. X. Li

Proceedings Volume 12455, 124550M (2022) https://doi.org/10.1117/12.2655218

KEYWORDS: Particle swarm optimization, Discrete wavelet transforms, Error analysis, Statistical modeling, Standards development, Signal processing, Wireless communications

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