Acta Photonica Sinica, Volume. 52, Issue 1, 0111003(2023)
Dual-camera Compressed Spectral Image Reconstruction Algorithm Based on Non-local Self-similarity
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Fig. 2. Comparison of reconstruction results of chart and glass at 670 nm. The first line is the chart scene，the second line is the glass scene
Fig. 4. Comparison between RGB assisted dictionary learning and similarity estimation method and intermediate result dictionary learning similarity estimation method
Fig. 8. Influence of different parameters on reconstruction results
Table 1. Comparison of reconstruction results of CAVE dataset
View tableView in ArticleTable 1. Comparison of reconstruction results of CAVE dataset
Image DeSCI PnP-DIP Proposed method PSNR SSIM SAM PSNR SSIM SAM PSNR SSIM SAM Beads 20.43 0.698 1 0.310 5 26.00 0.799 4 0.196 7 36.42 0.978 6 0.067 7 Chart 23.06 0.834 5 0.220 1 23.15 0.846 5 0.205 8 43.49 0.992 9 0.046 0 Balloon 35.04 0.977 2 0.061 1 34.37 0.912 8 0.115 3 51.08 0.996 9 0.016 3 Oil_painting 22.68 0.651 9 0.266 8 29.48 0.822 4 0.116 6 40.45 0.983 6 0.043 5 Cloth 21.15 0.794 7 0.217 8 28.18 0.853 8 0.106 2 36.28 0.964 6 0.044 3 Glass 21.15 0.794 7 0.217 8 29.15 0.880 7 0.127 8 37.02 0.982 5 0.045 1 Paint 26.29 0.927 5 0.123 8 31.81 0.925 7 0.155 1 43.15 0.993 4 0.043 1 Lemons 35.59 0.959 4 0.088 5 37.94 0.927 2 0.108 4 51.87 0.997 3 0.023 7 Thread 26.38 0.839 1 0.185 7 32.25 0.857 2 0.143 4 43.31 0.991 4 0.036 8 Lemon_slice 26.23 0.868 7 0.201 0 32.14 0.886 6 0.175 5 43.19 0.989 8 0.058 7 Average 25.80 0.834 6 0.189 3 30.45 0.871 2 0.145 1 42.63 0.987 1 0.042 5
Table 2. Comparison of mean absolute error
View tableView in ArticleTable 2. Comparison of mean absolute error
Method DeSCI PnP-DIP Proposed method Mean absolute error 0.033 4 0.026 6 0.003 9
Table 3. Comparison of reconstruction time of different methods in chart scenarios
View tableView in ArticleTable 3. Comparison of reconstruction time of different methods in chart scenarios
Method DeSCI PnP-DIP Proposed method Reconstruction time/s 2 608 7 024 3 355
Table 4. Comparison of reconstruction time between RGB assisted dictionary learning and similarity estimation method and intermediate result dictionary learning similarity estimation method in the chart scene
View tableView in ArticleTable 4. Comparison of reconstruction time between RGB assisted dictionary learning and similarity estimation method and intermediate result dictionary learning similarity estimation method in the chart scene
Method RGB auxiliary Intermediate result Reconstruction time/s 3 355 6 332
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Junjie ZHU, Jufeng ZHAO, Haijun TIAN, Guangmang CUI, Zhen SHI. Dual-camera Compressed Spectral Image Reconstruction Algorithm Based on Non-local Self-similarity[J]. Acta Photonica Sinica, 2023, 52(1): 0111003
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Received: Jun. 15, 2022
Accepted: Jul. 19, 2022
Published Online: Feb. 27, 2023
The Author Email: ZHAO Jufeng (dabaozjf@hdu.edu.cn)
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