研究了基于稀疏型先验的光学及SAR图像的分辨率增强的统一框架.在定义稀疏型先验的基础上,分析了稀疏型先验与分辨率增强的关系,并从参数估计的角度解释了为什么稀疏型先验的合理利用可以实现分辨率增强.其次给出了光学及SAR图像的统一观测模型.再次给出了光学及SAR图像先验模型的统一描述.最后给出了光学及SAR图像分辨率增强的目标函数构造的统一形式.并结合光学图像和SAR图像,在不同数据域的先验信息,分别构造各自的目标函数,实现图像分辨率增强.
参考文献
[1] | Donoho D L.Superresolution via sparsity constraints[J].Siam J.Math.Anal.,1992,23(5):1309-1331 |
[2] | Zweig G,Wohlberg B.ISAR imaging and crystal structure determination from EXAFS data using a superResolution fast fourier transform[C] // Proc.of 10th IEEE Workshop on Statistical and Array Processing,2000,458-462 |
[3] | Sacchi M D,Ulrych T J,Walker C J.Interpolation and extrapolation using a high-resolution discrete fourier transform[J].IEEE Trans.Signal Processing,1998,46(1):31-38 |
[4] | Cetin M,Karl W C.Feature-Enhanced synthetic aperture radar image formation based on nonquadratic regularization[J].IEEE Trans.Image Processing,2001,10(4):623-631 |
[5] | Wang Yan,Liang Diannong,Guo Hanwei.SAR image enhancement using modified regularization method[J].Acta Electronica Sinica (电子学报),2003,31(9):1307-1309 (in Chinese) |
[6] | Zhou Hongchao,Zhu Jubo,W ang Zhengming.Forward and backward diffusion processes for SAR image enhancement[J].Acta Electronica Sinica (电子学报),2004,32(12):2070-2073 (in Chinese) |
[7] | Zhang Xinming,Shen Lansun.Super-resolution restoration with multi-scale edge-preserving regularization[J].Journal of Software (软件学报),2003,14(6):1075-1081 (in Chinese) |
[8] | Wang Xiongliang,Wang Zhengming,Zhao Xia,et al.Real signals de-noising based on lk norm regularization[J].Systems Engineering and Electronics (系统工程与电子技术),2004,26(7):876-877 (in Chinese) |
[9] | Nguyen N,Milanfar P,Golub G A.Computationally efficient superresolution image reconstruction algorithm[J].IEEE Trans.On Image Processing,2001,10(4):573-583 |
[10] | Borman S,Stevenson R.Spatial resolution enhancement of low-resolution image sequences.A comprehensive review with directions for future research[R].Tech.Rep.,Laboratory for Image and Signal Analysis,University of Notre Dame,1998 |
[11] | Yang Weiming,Chen Jianxin.Comparison of local statistic filtering on speckle of remote sensing image[J].Chinese Journal of Quantum Electronics (量子电子学报),2005,22(2):155-158 (in Chinese) |
[12] | Liu Bin,Peng Jiaxiong.Image fusion method based on region and wavelet transform[J].Chinese Journal of Quantum Electronics (量子电子学报),2005,22(2):159-164 (in Chinese) |
[13] | Guo Yingzheng,Xu Luping.SAR image compression based on texture information protection[J].Chinese Journal of Quantum Electronics (量子电子学报),2004,21(5):577-582 (in Chinese) |
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