Chang Su, Tianjiao Fu, Xingxiang Zhang, Jianyue Ren, Longxu Jin. Adaptively-Weighted Blind Image Restoration Algorithm Based on Energy Constraint[J]. Acta Optica Sinica, 2018, 38(2): 0210001
- Acta Optica Sinica
- Vol. 38, Issue 2, 0210001 (2018)
Fig. 1. Weighted estimation model of optical transfer function
Fig. 2. Spectral comparison between clear images and blurred images. (a) Clear flat image; (b) blurred flat image; (c) spectra of flat images; (d) clear complex texture image; (e) blurred complex texture image; (f) spectra of complex texture images
Fig. 3. Blurred image of Lena and the restored images (partially enlarged). (a) Blurred image of Lena with α=0.1 and β=5/6; (b) A=0; (c) A=-0.5; (d) A=-1; (e) A=-1.5; (f) A=-2; (g) A=-2.5; (h) A=-3
Fig. 4. Flow chart of energy-constrained adaptive restoration algorithm
Fig. 5. Image of Hill and the restored images. (a) The original image; (b) the blurred image with α=0.1 and β=2/3; (c) the restored image of APEX algorithm; (d) the restored image of proposed algorithm
Fig. 6. Image of Lake and restored images. (a) The original image; (b) the noised degraded image with α=0.075 and β=5/6; (c) the restored image of APEX algorithm; (d) the restored image of proposed algorithm
Fig. 7. Multispectral remote sensing image and restored results of a port (partially enlarged). (a) The original multispectral remote sensing image; (b) the restored image of APEX algorithm; (c) the restored image of proposed algorithm
Fig. 8. Multispectral remote sensing image and restored results of an urban area (partially enlarged). (a) The original multispectral remote sensing image; (b) the restored image of APEX algorithm; (c) the restored image of the proposed algorithm
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Table 1. Comparison of runtime and assessment criteria for restored images
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