| 改进型抗混叠轮廓波的图像超分辨率重建 |
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| 引用本文： | 焦斌亮,赵鹏,王燕涛.改进型抗混叠轮廓波的图像超分辨率重建[J].光电工程,2011(8):112-116. |
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| 作者姓名： | 焦斌亮 赵鹏 王燕涛 |
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| 作者单位： | 燕山大学信息科学与工程学院; |
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| 摘 要： | 针对Contourlet变换中存在的频谱混叠现象,采用了基于抗混叠轮廓波变换的算法进行图像超分辨率重建.该算法首先用抗混叠塔式滤波器组替换掉Contourlet变换中的拉普拉斯塔式变换,对图像进行尺度变换；然后,根据尺度变换后不同尺度的高频子带之间的相似性,对相关高频分量用双三次插值做高频外推相似变换,再通过方向滤波器...
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| 关 键 词： | 超分辨率 图像重建 抗混叠轮廓波 双三次插值 |
Super-resolution Image Reconstruction Based on Advanced Non-aliasing Contourlet |
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| JIAO Bin-liang,ZHAO Peng,WANG Yan-tao.Super-resolution Image Reconstruction Based on Advanced Non-aliasing Contourlet[J].Opto-Electronic Engineering,2011(8):112-116. |
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| Authors: | JIAO Bin-liang ZHAO Peng WANG Yan-tao |
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| Affiliation: | JIAO Bin-liang,ZHAO Peng,WANG Yan-tao (Department of Information Science and Engineering,Yanshan University,Qinhuangdao 066004,Hebei Province,China) |
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| Abstract: | A major drawback of the Contourlet transform is frequency aliasing,which makes the basis images not localized in its frequency domain.A new algorithm is designed based on non-aliasing Contourlet after we analyze the cause of frequency aliasing.It is used to reconstruct a super-resolution image.First,an anti-aliasing pyramid is used by the new algorithm instead of the Laplacian pyramid.Then,the bi-cubic interpolation is used to do similar transformation in the high frequency domains,according to the similari... |
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| Keywords: | super-resolution image restoration non-aliasing Contourlet bi-cubic interpolation |
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