Prof. Lei Yang Profile

Prof. Lei Yang

at Hefei Univ of Technology

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Author

Publications (5)

Proceedings Article | 13 September 2024 Paper

Automatic focusing system for laser-induced breakdown spectroscopy based on the combination of images and spectra

Lei Yang, Wenyi Bao, Lei Qin, Sizhu Wu, Mengjie Xu, Jingjing Chen

Proceedings Volume 13178, 131781L (2024) https://doi.org/10.1117/12.3032716

KEYWORDS: Laser induced breakdown spectroscopy, Signal to noise ratio, Plasma, Spectroscopy, Convolution, Chromium, Plasma generation

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Proceedings Article | 19 November 2021 Paper

Influence of target surface morphology on LIBS spectrum

L. Yang, Z. Zhang, Y. H. Zhang, P. He, F. Ji, R. S. Lu

Proceedings Volume 12059, 1205917 (2021) https://doi.org/10.1117/12.2612111

KEYWORDS: Laser induced breakdown spectroscopy, Surface roughness, Chromium, Plasma, Iron, Target detection, Laser ablation, Surface finishing, Analytical research, Particles

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Proceedings Article | 7 March 2019 Paper

Characterization of surface roughness by double blanket model from laser speckle images

L. Yang, F. Ji, Y. Zhang, M. Xu, J. Chen, R. Lu

Proceedings Volume 11053, 110533S (2019) https://doi.org/10.1117/12.2512212

KEYWORDS: Fractal analysis, Laser scattering, Instrument modeling, Laser applications, Image analysis, Surface roughness, Speckle

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SPIE Journal Paper | 9 September 2014

Surface roughness extraction based on Markov random field model in wavelet feature domain

Lei Yang, Li-qiao Lei

OE, Vol. 53, Issue 12, 122414, (September 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.12.122414

KEYWORDS: Surface roughness, Wavelets, Speckle pattern, Feature extraction, Statistical modeling, Speckle, Statistical analysis, Analytical research, Wavelet transforms, Semiconductor lasers

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Proceedings Article | 10 October 2013 Paper

Surface roughness measurement based on digital laser speckle pattern by Markov Random Fields Model in wavelet domain

Lei Yang, Rong-sheng Lu, Yan-qiong Shi, Li-qiao Lei, Zhi-jian Liu

Proceedings Volume 8916, 89160K (2013) https://doi.org/10.1117/12.2035842

KEYWORDS: Surface roughness, Speckle pattern, Radium, Wavelets, Analytical research, Wavelet transforms, Metals, Laser marking, Speckle, Calibration

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