Adaptive slope difference algorithm for filtering salt and pepper noise in image

ZHOU Ling-fang; CHEN Fei

doi:10.3788/YJYXS20153004.0695

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Adaptive slope difference algorithm for filtering salt and pepper noise in image

Imaging Technology & Image Processing | 更新时间：2020-08-12

- Adaptive slope difference algorithm for filtering salt and pepper noise in image
- Chinese Journal of Liquid Crystals and Displays Vol. 30, Issue 4, Pages: 695-700(2015)
- 作者机构：
  
  西南科技大学计算机科学与技术学院,四川绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20153004.0695
  CLC： TP391
- Received：18 September 2014，
  
  Revised：25 October 2014，
  
  Published：05 August 2015
- 稿件说明：
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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.

摘要

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。

Abstract

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.

关键词

Keywords

references

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