Hanyu Hong, Jun Zhao, Yu Shi, Shikang Wu. Blur kernel region estimation and space variant restoration based on weighted L1 norm measure[J]. Infrared and Laser Engineering, 2020, 49(8): 20200001
- Infrared and Laser Engineering
- Vol. 49, Issue 8, 20200001 (2020)
Fig. 1. Comparison of gradient
Fig. 2. 8 neighborhood direction codes of point P
Fig. 3. Determined region for kernel estimation
Fig. 4. Schematic diagram of image expansion
Fig. 5. Multiple region for kernel estimation
Fig. 6. Flowchart of space-invariant image restoration
Fig. 7. Flowchart of space-variant image restoration
Fig. 8. Comparison of restoration results of degraded images of ground targets
Fig. 9. Comparison of PSNR and SSIM
Fig. 10. Comparison of restoration results of degraded images of real air and surface targets
Fig. 11. Results of space-variant image restoration
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Table 1.
Comparison of the kernel similarity
核相似性对比
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Table 2.
Comparison of blur kernel estimation time
模糊核估计耗时对比
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