| 基于平稳小波域的各向异性扩散图像去噪方法 |
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| 引用本文： | 汪伟,吴秀清,程蕾,夏东坤. 基于平稳小波域的各向异性扩散图像去噪方法[J]. 计算机工程与应用, 2010, 46(4): 180-182. DOI: 10.3778/j.issn.1002-8331.2010.04.057 |
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| 作者姓名： | 汪伟 吴秀清 程蕾 夏东坤 |
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| 作者单位： | 中国科学技术大学 电子工程与信息科学系，合肥 230027 |
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| 摘 要： | 针对传统的各向异性扩散去噪方法存在的导致图像细节丢失的问题，提出了一种基于平稳小波域的各向异性扩散图像去噪方法。该方法根据平稳小波变换的特性，通过在高频和低频子带上选用不同的梯度门限进行各向异性扩散，然后进行重构得到去噪后的结果图像。实验结果表明，该方法在有效去除噪声的同时，图像细节保留较好，去噪后的图像具有更好的质量。
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| 关 键 词： | 各向异性扩散 平稳小波变换 图像去噪 |
| 收稿时间： | 2008-07-31 |
| 修稿时间： | 2008-10-29 |
Image denoising based on stationary wavelet-based anisotropic diffusion |
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| WANG Wei,WU Xiu-qing,CHENG Lei,XIA Dong-kun. Image denoising based on stationary wavelet-based anisotropic diffusion[J]. Computer Engineering and Applications, 2010, 46(4): 180-182. DOI: 10.3778/j.issn.1002-8331.2010.04.057 |
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| Authors: | WANG Wei WU Xiu-qing CHENG Lei XIA Dong-kun |
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| Affiliation: | Department of Electronic Engineering and Information Science，University of Science and Technology of China，Hefei 230027，China |
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| Abstract: | Aiming at the detail losing problem caused by traditional space-based anisotropic diffusion,a new method of stationary wavelet-based anisotropic diffusion is purposed.Based on the character of stationary wavelet transform,anisotropic diffusion is applied in different sub-bands with different gradient threshold.Denoised image is reconstructed by diffused sub -bands.The experiment results show that this method is able to achieve a good effect in noise removal and detail preservation. |
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| Keywords: | anisotropic diffusion stationary wavelet transform image denoising |
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