Chinese Optics Letters, Volume. 21, Issue 4, 043001(2023)

Rapid classification of copper concentrate by portable laser-induced breakdown spectroscopy combined with transfer learning and deep convolutional neural network

Haochen Li1, Tianyuan Liu2、*, Yuchao Fu1, Wanxiang Li1, Meng Zhang3, Xi Yang3, Di Song3, Jiaqi Wang3, You Wang3, and Meizhen Huang1
Author Affiliations
  • 1Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 3Southwest Institute of Technical Physics, Chengdu 610041, China
  • show less
    References(35)

    [1] L. Lazarek, A. J. Antonczak, M. R. Wojcik, J. Drzymala, K. M. Abramski. Evaluation of the laser-induced breakdown spectroscopy technique for determination of the chemical composition of copper concentrates. Spectrochim. Acta B, 97, 74(2014).

    [2] E. Keegan, S. Richter, I. Kelly, H. Wong, P. Gadd, H. Kuehn, A. Alonso-Munoz. The provenance of Australian uranium ore concentrates by elemental and isotopic analysis. Appl. Geochem., 23, 765(2008).

    [3] F. J. Fortes, J. Moros, P. Lucena, L. M. Cabalin, J. J. Laserna. Laser-induced breakdown spectroscopy. Anal. Chem., 85, 640(2013).

    [4] R. Noll, C. Fricke-Begemann, S. Connemann, C. Meinhardt, V. Sturm. LIBS analyses for industrial applications - an overview of developments from 2014 to 2018. J. Anal. At. Spectrom., 33, 945(2018).

    [5] A. Tortschanoff, M. Baumgart, G. Kroupa. Application of a compact diode pumped solid-state laser source for quantitative laser-induced breakdown spectroscopy analysis of steel. Opt. Eng., 56, 124104(2017).

    [6] X. S. Bai, A. Pin, J. J. Lin, M. Lopez, C. K. Dandolo, P. Richardin, V. Detalle. The first evaluation of diagenesis rate of ancient bones by laser-induced breakdown spectroscopy in archaeological context prior to radiocarbon dating. Spectrochim. Acta B, 158, 105606(2019).

    [7] R. Gaudiuso, N. Melikechi, Z. A. Abdel-Salam, M. A. Harith, V. Palleschi, V. Motto-Ros, B. Busser. Laser-induced breakdown spectroscopy for human and animal health: a review. Spectrochim. Acta B, 152, 123(2019).

    [8] C. P. Lu, L. S. Wang, H. Y. Hu, Z. Zhuang, Y. B. Wang, R. J. Wang, L. T. Song. Analysis of total nitrogen and total phosphorus in soil using laser-induced breakdown spectroscopy. Chin. Opt. Lett., 11, 053004(2013).

    [9] N. Zhao, J. M. Li, Q. X. Ma, L. Guo, Q. M. Zhang. Periphery excitation of laser-induced CN fluorescence in plasma using laser-induced breakdown spectroscopy for carbon detection. Chin. Opt. Lett., 18, 083001(2020).

    [10] W. Y. Hao, X. J. Hao, Y. W. Yang, X. D. Liu, Y. K. Liu, P. Sun, R. Sun. Rapid classification of soils from different mining areas by laser-induced breakdown spectroscopy (LIBS) coupled with a PCA-based convolutional neural network. J. Anal. At. Spectrom., 36, 2509(2021).

    [11] Y. T. Fu, Z. Y. Hou, T. Q. Li, Z. Li, Z. Wang. Investigation of intrinsic origins of the signal uncertainty for laser-induced breakdown spectroscopy. Spectrochim. Acta B, 155, 67(2019).

    [12] J. Rakovsky, P. Cermak, O. Musset, P. Veis. A review of the development of portable laser induced breakdown spectroscopy and its applications. Spectrochim. Acta B, 101, 269(2014).

    [13] E. C. Ferreira, D. M. B. P. Milori, E. J. Ferreira, R. M. Da Silva, L. Martin-Neto. Artificial neural network for Cu quantitative determination in soil using a portable laser induced breakdown spectroscopy system. Spectrochim. Acta B, 63, 1216(2008).

    [14] L. W. Sheng, T. L. Zhang, G. H. Niu, K. Wang, H. S. Tang, Y. X. Duan, H. Li. Classification of iron ores by laser-induced breakdown spectroscopy (LIBS) combined with random forest (RF). J. Anal. At. Spectrom., 30, 453(2015).

    [15] X. H. Li, S. B. Yang, R. W. Fan, X. Yu, D. Y. Chen. Discrimination of soft tissues using laser-induced breakdown spectroscopy in combination with k nearest neighbors (kNN) and support vector machine (SVM) classifiers. Opt. Laser Technol., 102, 233(2018).

    [16] L. N. Li, X. F. Liu, F. Yang, W. M. Xu, J. Y. Wang, R. Shu. A review of artificial neural network based chemometrics applied in laser-induced breakdown spectroscopy analysis. Spectrochim. Acta B, 180, 106183(2021).

    [17] J. X. Chen, J. Pisonero, S. Chen, X. Wang, Q. W. Fan, Y. X. Duan. Convolutional neural network as a novel classification approach for laser-induced breakdown spectroscopy applications in lithological recognition. Spectrochim. Acta B, 166, 105801(2020).

    [18] F. Yang, L. N. Li, W. M. Xu, X. F. Liu, Z. C. Cui, L. C. Jia, Y. Liu, J. H. Xu, Y. W. Chen, X. S. Xu, J. Y. Wang, H. Qi, R. Shu. Laser-induced breakdown spectroscopy combined with a convolutional neural network: a promising methodology for geochemical sample identification in Tianwen-1 Mars mission. Spectrochim. Acta B, 192, 106417(2022).

    [19] W. Y. Zhao, C. Li, C. L. Yan, H. Min, Y. R. An, S. Liu. Interpretable deep learning-assisted laser-induced breakdown spectroscopy for brand classification of iron ores. Anal. Chim. Acta, 1166, 338574(2021).

    [20] K. Simonyan, A. Zisserman. Very deep convolutional networks for large-scale image recognition(2014).

    [21] F. Chang, H. L. Lu, H. Sun, J. H. Yang. Assessment of the performance of quantitative feature-based transfer learning LIBS analysis of chromium in high temperature alloy steel samples. J. Anal. At. Spectrom., 35, 2639(2020).

    [22] S. Shabbir, Y. Q. Zhang, C. Sun, Z. Q. Yue, W. J. Xu, L. Zou, F. Y. Chen, J. Yu. Transfer learning improves the prediction performance of a LIBS model for metals with an irregular surface by effectively correcting the physical matrix effect. J. Anal. At. Spectrom., 36, 1441(2021).

    [23] C. Sun, W. J. Xu, Y. Q. Tan, Y. Q. Zhang, Z. Q. Yue, L. Zou, S. Shabbir, M. T. Wu, F. Y. Chen, J. Yu. From machine learning to transfer learning in laser-induced breakdown spectroscopy analysis of rocks for Mars exploration. Sci. Rep., 11, 21379(2021).

    [24] J. Yosinski, J. Clune, Y. Bengio, H. Lipson. How transferable are features in deep neural networks?. Adv. Neural Inf. Process Syst., 27, 3320(2014).

    [25] H. C. Li, M. Z. Huang, H. D. Xu. High accuracy determination of copper in copper concentrate with double genetic algorithm and partial least square in laser-induced breakdown spectroscopy. Opt. Express, 28, 2142(2020).

    [26] H. Li, T. Liu, Y. Fu, W. Li, M. Zhang, X. Yang, Y. Wang, M. Huang. Improving the accuracy of high-repetition-rate LIBS based on laser ablation and scanning parameters optimization. Opt. Express, 30, 37470(2022).

    [29] K. He, X. Zhang, S. Ren, J. Sun. Deep residual learning for image recognition. Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 770(2016).

    [30] G. Huang, Z. Liu, L. Van Der Maaten, K. Q. Weinberger. Densely connected convolutional networks. Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 4700(2017).

    [31] C. Szegedy, V. Vanhoucke, S. Ioffe, J. Shlens, Z. Wojna. Rethinking the inception architecture for computer vision. Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2818(2016).

    [32] C. Sun, Y. Tian, L. Gao, Y. S. Niu, T. L. Zhang, H. Li, Y. Q. Zhang, Z. Q. Yue, N. Delepine-Gilon, J. Yu. Machine learning allows calibration models to predict trace element concentration in soils with generalized LIBS spectra. Sci. Rep., 9, 11363(2019).

    [33] I. T. Jolliffe, J. Cadima. Principal component analysis: a review and recent developments. Philos. Trans. R. Soc. A, 374, 20150202(2016).

    [35] F. Poggialini, B. Campanella, S. Legnaioli, S. Raneri, V. Palleschi. Comparison of convolutional and conventional artificial neural networks for laser-induced breakdown spectroscopy quantitative analysis. Appl. Spectrosc., 76, 959(2022).

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

    [2] Yu Mao, Zixin Wang, Chang Xu, Yan Wang, Ningning Dong, Jun Wang.

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    Haochen Li, Tianyuan Liu, Yuchao Fu, Wanxiang Li, Meng Zhang, Xi Yang, Di Song, Jiaqi Wang, You Wang, Meizhen Huang. Rapid classification of copper concentrate by portable laser-induced breakdown spectroscopy combined with transfer learning and deep convolutional neural network[J]. Chinese Optics Letters, 2023, 21(4): 043001

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    Paper Information

    Category: Spectroscopy

    Received: Oct. 13, 2022

    Accepted: Nov. 28, 2022

    Published Online: Apr. 10, 2023

    The Author Email: Tianyuan Liu (tianyuanl@sjtu.edu.cn)

    DOI:10.3788/COL202321.043001

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