Xiaole Chen, Ruifeng Yang, Chenxia Guo. Defect Detection of Optical Fiber Coil Based on Improved Low-Rank Representation Model[J]. Laser & Optoelectronics Progress, 2022, 59(22): 2215008
- Laser & Optoelectronics Progress
- Vol. 59, Issue 22, 2215008 (2022)
Fig. 1. Optical fiber coil images. (a) Defect-free image; (b) image with stack defect; (c) image with gap defect
Fig. 2. Flowchart of defect detection based on the improved LRR model
Fig. 3. Flowchart of algorithm 1
Fig. 4. Flowchart of algorithm 2
Fig. 5. Influence of regularization constraint on the model. (a) Original image; (b) result of original LRR model; (c) result of regularized constrained model
Fig. 6. Original images of the stack defect and their detection results. (a) Original images; (b) proposed method; (c) method in Ref. [14]; (d) method in Ref. [15]; (e) LBP+SVM
Fig. 7. Original images of the gap defect and their detection results. (a) Original images; (b) proposed method; (c) method in Ref. [14]; (d) method in Ref. [15]; (e) LBP+SVM
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Table 1. Statistics of experimental results of the proposed method
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Table 2. Performance comparison between different algorithms
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