计算机科学 ›› 2009, Vol. 36 ›› Issue (6): 165-166.
• • 上一篇 下一篇
出版日期:
发布日期:
Online:
Published:
摘要: 提出的改进的极值中值滤波(IEM)算法是在极值中值滤波(EM)算法的基础上做了如下两点改进。首先,采用更合理的检测方法来检测噪声点,减小将信号点误判为噪声点的概率。其次,采用改进的滤波算法,解决了当噪声点个数大于像素总数一半时,传统中值滤波无能为力的问题。实验证明,当噪声密度很大时,IEM方法不仅比EM方法有更好的滤波效果,而且能够更好地保护图像细节。
关键词: 改进的极值中值滤波 噪声检测 阈值
Abstract: The improved extremum and median (IEM) filter was proposed which is based on the extremum median (EM) filter. It is improved in two sides. For one thing, in order to reduce the possibility of mistaking the signal pixels for noise pixels, the more appropri
Key words: Improved extremum and median filtering, Noise detection, Threshold
. 一种基于改进的极值中值滤波算法[J]. 计算机科学, 2009, 36(6): 165-166. https://doi.org/
0 / / 推荐
导出引用管理器 EndNote|Reference Manager|ProCite|BibTeX|RefWorks
链接本文: https://www.jsjkx.com/CN/
https://www.jsjkx.com/CN/Y2009/V36/I6/165
Cited