SAR image classification based on alpha-stable distribution
SAR image classification based on alpha-stable distribution
复制标题
基于α稳定分布的SAR图像分类
DOI:
10.1080/01431161.2010.487878
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发表时间:
2011-03
影响因子:
2.3
通讯作者:
中科院分区:
文献类型:
--
作者:
We propose a classification algorithm that utilizes the alpha-stable distribution to model the texture features of synthetic aperture radar (SAR) images. The SAR image is first decomposed by stationary wavelet transform (SWT). After that, the alpha-stable distribution is applied to model the high-frequency subband coefficients of the image at each decomposition scale. A regression-type method is then used to estimate the alpha-stable distribution parameters, which form a feature vector that fully describes the texture. Finally, a SAR image classification algorithm is derived by exploiting this feature vector based on the support vector machines (SVM) approach. Because different combinations of alpha-stable distribution parameters contribute to differences in classification precision, a multilevel SVM (MSVM) classification algorithm is also presented to address the issue. Experimental results indicate that the proposed SAR image classification algorithm is effective and the MSVM algorithm improves the classification performance. Moreover, our proposed algorithm has low computational cost as only a small number of the alpha-stable distribution parameters are processed.
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影响因子:
4.5
作者:
W. DuMouchel
通讯作者:
W. DuMouchel
影响因子:
7.3
作者:
Wan, Tao;Canagarajah, Nishan;Achim, Alin
通讯作者:
Achim, Alin
DOI:
--
发表时间:
1997
期刊:
--
影响因子:
--
作者:
G. Tzagkarakis;P. Tsakalides
通讯作者:
G. Tzagkarakis;P. Tsakalides
DOI:
10.1109/icosp.2008.4697330
发表时间:
2008-12
期刊:
2008 9th International Conference on Signal Processing
影响因子:
--
作者:
Xu Xin;Peng Yijin;Zhou Wanbin
通讯作者:
Xu Xin;Peng Yijin;Zhou Wanbin
影响因子:
8.2
作者:
C. Tison;J. Nicolas;F. Tupin;H. Maître
通讯作者:
C. Tison;J. Nicolas;F. Tupin;H. Maître