Tianliang LI, Zhenzhen SONG, Fayin CHEN, Yifei SU, Yuegang TAN. Fiber Bragg grating and artificial intelligence fusion for shape self-sensing puncture needle[J]. Optics and Precision Engineering, 2023, 31(2): 160
- Optics and Precision Engineering
- Vol. 31, Issue 2, 160 (2023)
Fig. 1. Structure of shape self-sensing needle
Fig. 2. Shape sensing calibration experimental device
Fig. 3. Reflection spectra of three fibers under different curvatures
Fig. 4. Needle Shape reconstruction algorithm based on BP neutral network
Fig. 5. Error of test set sample
Fig. 6. Shape self-sensing needle dynamic test experimental setup
Fig. 7. Edge extraction of needle shape based on canny edge detection algorithm
Fig. 8. Shape reconstruction result by the neural network
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