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针对频域变换的旋转不变纹理特征,提出Radon变换结合树型小波变换的纹理特征提取方法。以Radon变换处理影像将影像纹理的旋转转化成平移信息,对变换后的影像进行非完全树型小波变换。此时可以将能量作为旋转不变纹理特征,但得到的小波系数所携带信息较少,所以本文采用小波系数直方图作为纹理特征。采用此方法对居民地进行提取,实验结果表明利用该方法能得到比较有效稳定的旋转不变纹理特征,并且对不同的中小比例尺遥感影像都有较好的适应性。 更多还原

【Abstract】 Considering the invariant rotation texture features of frequency-transformation,a texture features’ extraction algorithm of Radon transformation based on tree-structured wavelet transformation is proposed.Images are processed by Radon transformation from the rotation of image texture to shifting information.Then the processed images are transformed by incomplete tree-structured wavelet.Now we can consider the energy as invariant rotation texture features,but the information achieved of wavelet t...