• Optics and Precision Engineering
  • Vol. 32, Issue 23, 3525 (2024)
Zefang LIU1,2, Chao LONG1,2, Xueshuan LIU3, Yan HAN1,2..., Chuandong TAN1,2, Hui TAN1 and Liming DUAN1,*|Show fewer author(s)
Author Affiliations
  • 1ICT Research Center, Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education, Chongqing University, Chongqing400044, China
  • 2College of Optoelectronic Engineering, Chongqing University, Chongqing400044, China
  • 3Project Management Center, Equipment Department of Rocket Force, Beijing100085, China
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    DOI: 10.37188/OPE.20243223.3525 Cite this Article
    Zefang LIU, Chao LONG, Xueshuan LIU, Yan HAN, Chuandong TAN, Hui TAN, Liming DUAN. Computed tomography image segmentation of cell pole piece via strip attention mechanism[J]. Optics and Precision Engineering, 2024, 32(23): 3525 Copy Citation Text show less
    Overall structure of cell pole piece segmentation network via strip attention mechanisn
    Fig. 1. Overall structure of cell pole piece segmentation network via strip attention mechanisn
    Structure of backbone
    Fig. 2. Structure of backbone
    Schematic of S-ASPP module
    Fig. 3. Schematic of S-ASPP module
    Schematic of strip pooling
    Fig. 4. Schematic of strip pooling
    Schematic of strip attention mechanism
    Fig. 5. Schematic of strip attention mechanism
    CT scanning system
    Fig. 6. CT scanning system
    Test object
    Fig. 7. Test object
    Segmentation results 1
    Fig. 8. Segmentation results 1
    Segmentation results 2
    Fig. 9. Segmentation results 2
    Segmentation results 3
    Fig. 10. Segmentation results 3
    Comparison of ablation results
    Fig. 11. Comparison of ablation results
    ParameterValues
    Radiation source typeHamamatsu L10321 microfocus ray source
    Detector typeIRUI NDT0505J flat panel detector
    Detector pixel size/mm0.1×0.1
    Number of detector units/pixel1 024×1 024
    Tube voltage/kV90
    Tube current/μA92
    Table 1. Parameter setting of microfocus industrial CT detector
    MethodmIoU/%mAcc/%FPSParameters/M
    DeepLabV3+86.8193.2526.2441.27
    DANet62.6875.4129.4047.45
    U-Net86.1991.2031.1728.99
    HRNet82.2290.4631.589.64
    Segnext64.0879.1469.414.22
    Ours89.9795.9256.947.81
    Table 2. Results of contrast experiment evaluation index
    MethodmIoU/%mAcc/%FPS
    DeepLabV3+86.8193.2526.24
    +MobilenetV288.3094.3384.56
    +MobilenetV2+S-ASPP88.5494.8874.93
    +MobilenetV2+S-ASPP+SA89.9795.9256.94
    Table 3. Results of ablation experiment evaluation index
    Zefang LIU, Chao LONG, Xueshuan LIU, Yan HAN, Chuandong TAN, Hui TAN, Liming DUAN. Computed tomography image segmentation of cell pole piece via strip attention mechanism[J]. Optics and Precision Engineering, 2024, 32(23): 3525
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