Yi YANG, Yibo LI, Zhuxi MA, Fengyu CHEN, Qianbin HUANG. Adaptive denoising method of steel plate surface image based on BM3D[J]. Optics and Precision Engineering, 2022, 30(20): 2510

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- Optics and Precision Engineering
- Vol. 30, Issue 20, 2510 (2022)

Fig. 1. Flow chart of BM3D algorithm

Fig. 2. Fitting function graph of basic estimate threshold

Fig. 3. Fitting function graph of final estimate threshold

Fig. 4. Flow chart of TFBM3D algorithm denoising

Fig. 5. Three testing images

Fig. 6. PSNR and SSIM curves of each algorithm on the scratch image

Fig. 7. PSNR and SSIM curves of each algorithm on the inclusion image

Fig. 8. PSNR and SSIM curves of each algorithm on the pitted-surface image

Fig. 9. Denosing performance of different algorithms on the scratch image while σ ![]()
![]()
=10

Fig. 10. Denosing performance of different algorithms on the inclusion image while σ ![]()
![]()
=30

Fig. 11. Denosing performance of different algorithms on the pitted-surface image while σ ![]()
![]()
=25

Fig. 12. Residual images of different denosing algorithms on the pitted-surface image while σ ![]()
![]()
=25

Fig. 13. Image defect segmentation effect of different denosing algorithms on the scratch image while σ ![]()
![]()
=10
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Table 1. 为10时新算法参数设置
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Table 2. PSNR and SSIM indexes of different denoising algorithms on the scratch image
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Table 3. PSNR and SSIM indexes of different denoising algorithms on the inclusion image
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Table 4. PSNR and SSIM indexes of different denoising algorithms on the pitted-surface image

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