光学学报, 2018, 38 (2): 0210001, 网络出版: 2018-08-30
基于能量约束的自适应加权图像盲复原算法 
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Adaptively-Weighted Blind Image Restoration Algorithm Based on Energy Constraint
图 & 表
图 2. 清晰图像与模糊图像的频谱对比。(a)清晰的平坦图像;(b)模糊的平坦图像;(c)平坦图像的频谱;(d)清晰的复杂纹理图像;(e)模糊的复杂纹理图像;(f)复杂纹理图像的频谱
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
图 3. Lena模糊图像及其复原结果(局部放大)。(a)经(α=0.1,β=5/6)模糊的Lena图像;(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. 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
图 4. 基于能量约束的自适应复原算法的具体流程
Fig. 4. Flow chart of energy-constrained adaptive restoration algorithm
图 5. Hill图像及其复原结果。(a)原始图像;(b)经(α=0.1,β=2/3)卷积所得的降晰图像;(c) APEX算法的复原结果;(d)本文算法的复原结果
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
图 6. Lake图像及其复原结果。(a)原始图像;(b)经(α=0.075,β=5/6)卷积的含噪降质图像;(c) APEX算法的复原结果;(d)本文算法的复原结果
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
图 7. 港口多光谱遥感图像及其复原结果(局部放大)。(a)原始多光谱遥感图像;(b) APEX算法复原结果;(c)本文算法的复原结果
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
图 8. 城市多光谱遥感图像及其复原结果(局部放大)。(a)原始多光谱遥感图像;(b) APEX算法复原结果;(c)本文算法的复原结果
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
表 1算法耗时及复原图像的质量评价指标对比
Table1. Comparison of runtime and assessment criteria for restored images
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苏畅, 付天骄, 张星祥, 任建岳, 金龙旭. 基于能量约束的自适应加权图像盲复原算法[J]. 光学学报, 2018, 38(2): 0210001. 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.
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