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基于自适应开关插值算法的图像椒盐噪声滤波

苏锋 朱旻芸 杨秋菊

计算机应用研究2011,Vol.28Issue(2):769-771,775,4.
计算机应用研究2011,Vol.28Issue(2):769-771,775,4.DOI:10.3969/j.issn.1001-3695.2011.02.103

基于自适应开关插值算法的图像椒盐噪声滤波

Adaptive switching interpolation algorithm for filtering salt and pepper noise in image

苏锋 1朱旻芸 1杨秋菊1

作者信息

  • 1. 四川大学计算机学院,成都,610065
  • 折叠

摘要

Abstract

According to shortcoming of conventional median filter algorithm in filtering salt and peper noise of image, the essay brought up a way of an adaptive switching interpolation filter. This method checked and identified noise through maximumminimum and block uniformity, and then according to the distributed noise, filtered noise by using Lagrange interpolation and adaptive median filter. Experiment results on images with noise densities from 10% to 80% show that the proposed filter performs well in reducing salt and pepper noise and maintains a good image detail information. Therefore it has better filtering performanee than the conventional median filter algorithm, and it provides a new way for image denoising.

关键词

自适应开关/椒盐噪声/拉格朗日插值/图像去噪/均值滤波

分类

信息技术与安全科学

引用本文复制引用

苏锋,朱旻芸,杨秋菊..基于自适应开关插值算法的图像椒盐噪声滤波[J].计算机应用研究,2011,28(2):769-771,775,4.

基金项目

民航局科研基金资助项目(MHRD0713) (MHRD0713)

计算机应用研究

OA北大核心CSCDCSTPCD

1001-3695

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