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Laser & Optoelectronics Progress, Volume. 60, Issue 15, 1524001(2023)

Metal Workpiece Surface Defect Segmentation Method Based on Improved U-Net

Yi Wang, Xiaojie Gong*, and Jia Cheng
Author Affiliations
  • College of Electrical Engineering, North China University of Science and Technology, Tangshan 063210, Hebei, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (8)
    References (16)
    Cited By (2)
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    Figures & Tables(9)
    U-net network structure

    Fig. 1. U-net network structure

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    Improved U-net network structure

    Fig. 2. Improved U-net network structure

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    MAFE structure

    Fig. 3. MAFE structure

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    Bottleneck attention module

    Fig. 4. Bottleneck attention module

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    Image acquisition visual platform

    Fig. 5. Image acquisition visual platform

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    Schematic diagram of cutting and filling. (a) Defect image; (b) image after processing

    Fig. 6. Schematic diagram of cutting and filling. (a) Defect image; (b) image after processing

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    Change curves of loss value

    Fig. 7. Change curves of loss value

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    Comparison of the segmentation effects. (a) Original images; (b) label; (c) U-net segmentation effect; (d) U-net-MAFE segmentation effect; (e) U-net-BAM segmentation effect; (f) U-net-MAFE-BAM segmentation effect

    Fig. 8. Comparison of the segmentation effects. (a) Original images; (b) label; (c) U-net segmentation effect; (d) U-net-MAFE segmentation effect; (e) U-net-BAM segmentation effect; (f) U-net-MAFE-BAM segmentation effect

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    • Table 1. Data comparison in the experimental network

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      Table 1. Data comparison in the experimental network

      NumberApproachmPAmIOUTest time /s
      1U-net0.84570.82530.156
      2U-net-MAFE0.85370.83650.158
      3U-net-BAM0.85830.84360.161
      4U-net-MAFE-BAM0.87490.86250.165
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    Yi Wang, Xiaojie Gong, Jia Cheng. Metal Workpiece Surface Defect Segmentation Method Based on Improved U-Net[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1524001

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    Paper Information

    Category: Optics at Surfaces

    Received: Jun. 2, 2022

    Accepted: Jul. 26, 2022

    Published Online: Aug. 11, 2023

    The Author Email: Xiaojie Gong (1692994031@qq.com)

    DOI:10.3788/LOP221756

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology