Acta Optica Sinica, Volume. 38, Issue 2, 0220001(2018)
Phase Retrieval Algorithm Fusing Multiple Wavelets and Total Variation Regularization
Figures & Tables(9)
Fig. 2. Comparison of phase retrieval results (PSNR,SSIM) of different algorithms when RSNR =15 dB. (a) WF (13.28 dB,0.08); (b) DOLPHIn (27.13 dB,0.65); (c) BM3D-PRGAMP (29.13 dB, 0.80); (d) PRWATV (30.82 dB, 0.83)
Fig. 3. Partial information comparison of phase retrieval results of different algorithms when RSNR =15 dB. (a) WF; (b) DOLPHIn; (c) BM3D-PRGAMP; (d) PRWATV
Fig. 4. Comparison of phase retrieval results (PSNR, SSIM) of different algorithms when RSNR =15 dB. (a) TWF (13.10 dB, 0.11); (b) DOLPHIn (25.91 dB, 0.62); (c) SPAR (28.88 dB, 0.77); (d) PRWATV (28.68 dB, 0.76)
Table 1. Comparison of PSNR obtained by phase retrieval experiments with different threshold algorithms dB
View tableTable 1. Comparison of PSNR obtained by phase retrieval experiments with different threshold algorithms dB
Threshold algorithm PSNR R SNR =20 dBR SNR =15 dBR SNR =10 dBSoft 28.72 26.55 24.16 Hard 29.67 27.08 24.34 Group soft 29.34 27.13 24.74 Group hard 30.57 28.05 25.40
Table 2. Comparison of PSNR obtained by phase retrieval experiments with different regularization termsdB
View tableTable 2. Comparison of PSNR obtained by phase retrieval experiments with different regularization termsdB
Regularization term PSNR R SNR =20 dBR SNR =15 dBR SNR =10 dBdb10 sparsity 28.45 25.71 22.97 sym4 sparsity 28.21 25.63 22.99 Total variation 28.97 27.01 24.77 db10 sparsity+ total variation 30.17 27.72 25.15 sym4 sparsity+ total variation 30.04 27.67 25.13 db10 sparsity+ sym4 sparsity 30.06 27.36 24.67 db10 sparsity+ sym4 sparsity+ total variation 30.57 28.05 25.40
Table 3. Comparison of PSNR obtained by phase retrieval experiments with RSNR =15 dBdB
View tableTable 3. Comparison of PSNR obtained by phase retrieval experiments with RSNR =15 dBdB
Image WF DOLPHIn BM3D-PRGAMP PRWATV Lena512 13.29 27.13 29.13 30.82 Boat512 13.16 25.38 27.53 28.39 Mandril512 13.73 20.40 25.42 26.36 Barbara512 12.89 25.10 26.60 26.64 Fingerprint512 12.49 22.50 24.85 25.74 Cameraman256 12.15 24.51 27.00 27.54 Peppers256 12.94 24.64 27.71 28.61 House256 12.92 25.24 29.88 30.05
Table 4. Comparison of average PSNR and running time obtained by phase retrieval experiments with different noise measurement values
View tableTable 4. Comparison of average PSNR and running time obtained by phase retrieval experiments with different noise measurement values
R SNR /dBAlgorithm 256 pixel×256 pixel 512 pixel×512 pixel PSNR /dB Time /s PSNR /dB Time /s 20 WF 13.49 0.96 14.00 6.21 DOLPHIn 27.82 11.05 27.17 33.71 BM3D-PRGAMP 30.52 22.26 29.10 98.66 PRWATV 31.38 1.98 29.90 12.65 15 WF 12.67 0.91 13.11 6.07 DOLPHIn 27.82 9.95 24.10 29.02 BM3D-PRGAMP 28.20 47.89 26.70 197.04 PRWATV 28.73 2.12 27.59 12.58
Table 5. Comparison of PSNR and running time obtained by phase retrieval experiments with different noise
View tableTable 5. Comparison of PSNR and running time obtained by phase retrieval experiments with different noise
R SNR /dBAlgorithm Lena512 Boat512 Cameraman256 Peppers256 PSNR /dB Time /s PSNR /dB Time /s PSNR /dB Time /s PSNR /dB Time /s 20 TWF 14.10 7.37 14.06 7.21 12.71 1.76 13.80 1.72 DOLPHIn 29.38 21.00 27.52 20.84 26.55 8.01 27.55 7.85 SPAR 34.19 100.20 31.64 101.29 30.98 25.38 32.24 25.40 PRWATV 33.60 11.12 31.31 11.04 30.71 1.92 31.89 1.92 15 TWF 13.34 7.58 13.09 7.38 12.13 1.76 12.88 1.72 DOLPHIn 27.43 28.55 25.90 28.57 24.65 7.32 25.53 7.20 SPAR 31.37 101.38 28.88 100.92 27.85 25.87 29.12 25.77 PRWATV 30.97 11.24 28.68 11.34 27.82 1.66 28.79 1.66
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Qiusheng Lian, Ying Li, Shuzhen Chen. Phase Retrieval Algorithm Fusing Multiple Wavelets and Total Variation Regularization[J]. Acta Optica Sinica, 2018, 38(2): 0220001
Paper Information
Category: Optics in Computing
Received: Sep. 14, 2017
Accepted: --
Published Online: Aug. 30, 2018
The Author Email: Lian Qiusheng (lianqs@ysu.edu.cn)
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