6.4 Multi-level Wavelet CNN for Image Restoration in Pre-Processing Sub-System
225
Table 6.4 Restoration results of different methods (PSNR/SSIM)
Len, angle
GSR [30]
Fast TV [31]
Ours Proposed method
len = 5,angle = 5 o
35.5431/0.8502
34.1434/0.8331
36.0341/0.9634
len = 10,angle = 5 o
36.6865/0.9460
33.1515/0.9043
35.8454/0.9599
len = 15,angle = 5 o
36.6349/0.9458
32.0415/0.8497
35.9286/0.8820
len = 20,angle = 5 o
34.4192/0.9304
30.5841/0.8686
34.0825/0.8699
len = 10,len = 10 o
36.4497/0.9322
32.5135/0.8561
35.9137/0.9069
Fig. 6.16 Comparison of different restoration results a original image b blurred image with len
= 5 angle = 5° c blurred image with len = 10 angle = 5° d GSR restoration results for degraded
image with len = 5 angle = 5° e GSR [6] restoration results for degraded image with len = 10 angle
= 5° f Fast TV restoration result for degraded image with len = 5 angle = 5° g Fast TV restoration
result for degraded image with len = 10 angle = 5° h Our method restoration result for degraded
image with len = 5 angle = 5° i Our method restoration result for degraded image with len = 10
angle = 5 o
Fig. 6.17 Zoom on a 56 × 58 area extracted from the image of Fig. 6.16 a original image b) blurred
image with len = 5, angle = 5° c blurred image with len = 5, angle = 10° d GSR restoration for
image with len = 5, angle = 5° e GSR restoration for image with len = 5, angle = 10° f Fast TV
restoration for image with len = 5, angle = 5° g Fast TV restoration for image with len = 5, angle
= 10° h Our method restoration for image with len = 5, angle = 5° i Our method restoration for
image with len = 5, angle = 10 o