Super-Resolution Reconstruction of Light Field Images via Sparse Representation

Table 1. PSNR reconstructed by different algorithms
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Table 1. PSNR reconstructed by different algorithms
Image Bicubic Method in Ref.［12］ Method in Ref.［13］ SRCNN Proposed method
Herbs 31.5 32.3 32.7 33.1 33.4
Boxes 33.1 34.5 34.6 34.7 35.4
Bedroom 33.0 34.1 34.7 34.9 35.2

Table 2. RMSE reconstructed by different algorithms
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Table 2. RMSE reconstructed by different algorithms
Image Bicubic Method in Ref.［12］ Method in Ref.［13］ SRCNN Proposed method
Herbs 5.55 4.93 4.78 4.70 4.63
Boxes 4.88 4.02 3.95 3.82 3.68
Bedroom 4.87 4.29 4.15 3.99 3.93

Table 3. Comparison of DT time and SR time of different algorithms
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Table 3. Comparison of DT time and SR time of different algorithms
Image Method in Ref.［12］ Method in Ref.［13］ Proposed method
DT SR DT SR DT SR
Herbs 15362 90.2 1025 28.3 513 10.7
Boxes 14593 100.5 1195 30.1 486 12.3
Bedroom 15126 95.5 1362 27.7 539 10.6

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Peng Ge, Yaotang You. Super-Resolution Reconstruction of Light Field Images via Sparse Representation[J]. Laser & Optoelectronics Progress, 2022, 59(2): 0210001

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