| 基于ROLD统计量的混合噪音线性滤波算法 |
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| 引用本文： | 罗晓军,王世秀,李兵,许俊玲. 基于ROLD统计量的混合噪音线性滤波算法[J]. 计算机工程与应用, 2010, 46(31): 175-177. DOI: 10.3778/j.issn.1002-8331.2010.31.048 |
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| 作者姓名： | 罗晓军 王世秀 李兵 许俊玲 |
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| 作者单位： | 1.商丘职业技术学院 计算机系，河南 商丘 476000 2.长沙理工大学 数学与计算科学学院，长沙 410114 3.商丘电视台，河南 商丘 476000 4.中山职业技术学院，广东 中山 528404 |
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| 基金项目： | 河南省教育厅自然科学基金 |
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| 摘 要： | 提出一种基于ROLD统计量的混合噪音线性滤波算法（RLMF）。算法把用来检测脉冲噪音的ROLD统计量运用于混合噪音的滤波算法上，提高了混合噪音中脉冲噪音成分的检测效率，它不仅适用于恢复被混合噪音污染的数字图像，而且也适用于恢复被纯脉冲噪音或纯高斯噪音污染的数字图像。仿真实验证明，RLMF滤波后的图像视觉效果和PSNR均优于已知的同类滤波器。
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| 关 键 词： | 数字图像 ROLD统计量 混合噪音 滤波算法 |
| 收稿时间： | 2009-10-13 |
| 修稿时间： | 2009-12-21 |
Mixed noise linear filter based on ROLD statistics |
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| LUO Xiao-jun,WANG Shi-xiu,LI Bing,XU Jun-ling. Mixed noise linear filter based on ROLD statistics[J]. Computer Engineering and Applications, 2010, 46(31): 175-177. DOI: 10.3778/j.issn.1002-8331.2010.31.048 |
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| Authors: | LUO Xiao-jun WANG Shi-xiu LI Bing XU Jun-ling |
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| Affiliation: | 1.Department of Computer，Shangqiu Vocational and Technical College，Shangqiu，Henan 476000，China 2.School of Math. and Computing Science，Changsha University of Science and Technology，Changsha 410114，China 3.Shangqiu Broadcaster，Shangqiu，Henan 476000，China 4.Zhongshan Vocational and Technical College，Zhongshan，Guangdong 528404，China |
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| Abstract: | A mixed noise linear filter based on ROLD statistics is proposed, RLMF for short.This algorithm applies the ROLD statistics for detecting the pure impulse noise to the mixed noise filter.Its efficiency of detecting impulse component is increased in mixed noise.It is not only suitable for digital images corrupted with mixed noises（impulse noise and Gauss- ian noise）,and suitable for digital images corrupted with pure impulse noise or pure Gaussian noise.The experiments show that,visual effects and PSNR of denoised image produced by RLMF are superior to the known similar filters. |
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| Keywords: | digital image Rank Ordered Logarithmic Difference（ROLD） statistic mixed noise filter algorithm |
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