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基于纹理分析的保细节平滑滤波器

DOI: 10.11834/jig.2001011226

Keywords: 图象平滑,纹理分析,保细节平滑,Nagao滤波器,数字图象处理,平滑去噪

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Abstract:

平滑去噪是图象处理中一个重要课题,但是以往在处理平滑去噪问题上一直存在平滑和保细节的矛盾。为解决此问题,提出了一种基于纹理分析和保细节平滑滤波器,该滤波器采用了多尺度多方向的模板,并利用纹理分析等手段,同时根据图象各部分特性,通过自适应地选择模板来进行平滑滤波,该算法兼顾了降噪和保细节两方面要求。实验结果证明,该算法实现简单,计算速度快,且效果优于其他几种常用的保边界平滑算法。

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