基于均值滤波和小波变换的图像去噪

Qingkun Song, L. Ma, Jiankun Cao, Xiao Han
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引用次数: 32

摘要

传统的均值滤波器在对图像进行降噪处理时,会使图像边缘信息丢失,图像模糊不清。小波变换在图像处理中不仅可以抑制图像噪声,而且具有较强的图像增强能力。因此,我结合两种滤波方法对图像进行降噪处理。本文的实验和测试表明,无论从视觉上还是从信噪比和均方根误差上,小波变换与均值滤波相结合的去噪效果都优于简单的去噪方法和现有的去噪方法的组合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Image Denoising Based on Mean Filter and Wavelet Transform
The traditional mean filter in the processing of the image noise reduction can make the image edge information lose, the image is obscure. The wavelet transformation in the image processing can not only suppresses image noise but also has the strong ability of image enhancement. So I combine two filtering methods for image noise reduction processing. The experiments and the test in this paper show that the denoising effect by combining of wavelet transform and mean filter is superior to simple denoising method and the existing combination of the denoising method no matter from visual aspect and in terms of signal-to-noise ratio and root mean square error.
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