Bing Xie, Shuhui Wan, Yunhua Yin. SR reconstruction algorithm of regularization based on improve of sparse representation[J]. Infrared and Laser Engineering, 2022, 51(3): 20210468
- Infrared and Laser Engineering
- Vol. 51, Issue 3, 20210468 (2022)
Fig. 1. Sparse representation model in the transform domain ψ 变换域
下的稀疏表示模型
Fig. 2. Sparse representation model under the dictionary
Fig. 3. Algorithm design framework
Fig. 4. Schematic diagram of quadratic function is used to gradually approximate the optimized problem
Fig. 5. Four HR test images
Fig. 6. Results of each SR reconstruction algorithm in the simulation experiment
Fig. 7. LR waypoint image
Fig. 8. The results of each SR reconstruction algorithm in the actual test experiment
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Table 1. PSNR results of each SR reconstruction algorithm (Unit: dB)
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Table 2. SNR and IE comparison results of each SR reconstruction algorithm
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