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基于上下中值型噪声检测的自适应中值滤波器

DOI: 10.11834/jig.20071104

Keywords: 噪声检测,脉冲噪声,上中值,下中值,自适应中值滤波

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Abstract:

基于噪声检测的中值滤器已广泛用于消除图像中的脉冲噪声。然而,在高噪声密度情况下,过多的像素被错误地分类,这个缺陷将会对图像滤波产生负面影响,为了克服这个缺陷,提出了一种上下中值型噪声检测器。基于这种噪声检测方法,又提出了一种自适应中值滤波算法。实验结果显示,该算法能够有效地消除脉冲噪声,并且保留了原始图像的更多细节。

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