Xiaochuan Li, Guihua Liu, Ling Cao, Lei Deng. Restoration Algorithm for Honeycomb Artifacts Based on Optical Fiber Imaging[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1210010
- Laser & Optoelectronics Progress
- Vol. 60, Issue 12, 1210010 (2023)
Fig. 1. Imaging optical fiber bundle. (a) Schematic of the overall structure; (b) schematic of monofilament optical fiber structure
Fig. 2. Optical fiber image beam imaging. (a) Imaging image; (b) pixel distribution
Fig. 3. Schematic of proposed algorithm structure
Fig. 4. Schematic diagram of image split
Fig. 5. Pixel value distribution before and after split
Fig. 6. Comparison of pixel value distribution before and after processing
Fig. 7. Effect after adding honeycomb artifacts. (a) Clean image captured by industrial camera; (b) interference image obtained by simulation
Fig. 8. Comparison of artifact removal results of honeycomb in experiment A. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 9. Comparison of artifact removal results of honeycomb in experiment B. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 10. Comparison of real artifact removal results of honeycomb in experiment C. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 11. Comparison of real artifact removal results of honeycomb in experiment D. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 12. Environment with white light illumination and light intensity of 100 lx. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 13. Environment with white light illumination and light intensity of 150 lx. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 14. Environment with blue light illumination and light intensity of 150 lx. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
Fig. 15. Environment with green light illumination and light intensity of 150 lx. (a) Interfered graph; (b) mean filtering; (c) method in Ref.[11]; (d) method in Ref.[5]; (e) method in Ref.[15]; (f) method in Ref.[6]; (g) guided filtering; (h) proposed method
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Table 1. Related parameters of imaging optical fiber bundle
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Table 2. Quantitative index for removal results of honeycomb artifacts
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