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Deep learning-based image classification of gas coal

Author

Listed:
  • Zelin Zhang
  • Zhiwei Zhang
  • Yang Liu
  • Lei Wang
  • Xuhui Xia

Abstract

Machine vision-based sorting technology is a potential mineral separation method with the merits of high cost performance and security. However, the classification accuracy of common mineral pattern recognition methods is not satisfactory. Therefore, this paper proposes a deep learning-based classification method for the multi-class prediction of gas coal in the machine vision sorting system. The single coal images are obtained by the image segmentation algorithm and taken as the inputs of deep learning model based on the Inception_v3 network with the aid of transfer learning. The cross-entropy loss function and test accuracy are applied as the evaluation indexes of the classification effect. The result derived using the proposed model indicates that the classification accuracies of four-products, three-products and two-products are up to 82.3%, 87.8% and 99.4%, respectively. Additionally, a grad-cam convolution thermal map is used to visualise the differences in the deep learning classification process. Finally, the proposed deep learning model proves its superiority over the traditional models such as Back Propagation Neural Network (BP), Random Forest (RF) and Support Vector Machine (SVM).

Suggested Citation

  • Zelin Zhang & Zhiwei Zhang & Yang Liu & Lei Wang & Xuhui Xia, 2021. "Deep learning-based image classification of gas coal," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 43(4), pages 371-386.
  • Handle: RePEc:ids:ijgeni:v:43:y:2021:i:4:p:371-386
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    Cited by:

    1. Xin Wei & Lulu Zhang & Junyao Luo & Dongsheng Liu, 2021. "A hybrid framework integrating physical model and convolutional neural network for regional landslide susceptibility mapping," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 109(1), pages 471-497, October.
    2. Xiaohe Feng & Shibin Gao & Yang Song & Zeyao Hu & Long Chen & Tao Liang, 2023. "Static and Dynamic Analysis of Conductor Rail with Large Cross-Sectional Moment of Inertia in Rigid Catenary Systems," Energies, MDPI, vol. 16(4), pages 1-17, February.

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