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Prof. Lei Yang
at Hefei Univ of Technology
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Publications (4)
Proceedings Article | 19 November 2021 Paper
Influence of target surface morphology on LIBS spectrum
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
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
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
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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