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西南科技大学 计算机科学与技术学院,四川 绵阳,621000
[ "周玲芳(1989-),女,湖南株洲人,硕士研究生,主要研究方向:数字图像处理。E-mail:1021539211@qq.com" ]
[ "陈菲(1974-),女,四川绵阳人,副教授,硕士,主要研究方向:嵌入式系统,图像处理。" ]
收稿日期:2014-09-18,
修回日期:2014-10-25,
纸质出版日期:2015-08-05
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周玲芳, 陈菲. 基于斜率差值的自适应图像椒盐噪声滤波算法[J]. 液晶与显示, 2015,30(4): 695-700
ZHOU Ling-fang, CHEN Fei. Adaptive slope difference algorithm for filtering salt and pepper noise in image[J]. , 2015,30(4): 695-700
周玲芳, 陈菲. 基于斜率差值的自适应图像椒盐噪声滤波算法[J]. 液晶与显示, 2015,30(4): 695-700 DOI: 10.3788/YJYXS20153004.0695.
ZHOU Ling-fang, CHEN Fei. Adaptive slope difference algorithm for filtering salt and pepper noise in image[J]. , 2015,30(4): 695-700 DOI: 10.3788/YJYXS20153004.0695.
提出了一种基于斜率差值的自适应中值滤波算法
以有效去除图像脉冲噪声。该算法在经典自适应中值算法的基础上
采用斜率差值进行噪声判定。针对自适应中值滤波算法和基于斜率的自适应中值滤波算法在噪声强度较高情况下的不足进行了改进
同时解决了噪声块难以去除的问题。实验结果表明
该算法能有效去除图像脉冲噪声
并较好的保护图像细节。
An adaptive median filter based on slope is proposed to remove the impulse noise effectively.The algorithm based on the adaptive median filter algorithm
uses difference of slope to determine noise.Compare with traditional algorithms
it performs better when the noise intensity gets high.Meanwhile it solves the difficulty of filtering noise block.The result shows that the algorithm can remove impulse noise effectively and protect image details well.
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