| 多种形状窗口下的快速中值滤波算法 |
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| 引用本文： | 曹治华,宋斌恒.多种形状窗口下的快速中值滤波算法[J].计算机应用研究,2006,23(3):85-88. |
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| 作者姓名： | 曹治华 宋斌恒 |
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| 作者单位： | 清华大学,软件学院,北京100084;清华大学,软件学院,北京100084 |
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| 摘 要： | 针对各类形状的窗口的对称特性，巧妙设定滤波窗口移动顺序，同时利用两个方向相邻窗口的已有信息将每个新窗口查找中值的比较次数降到很低。对七种常用形状的窗口分别设计了算法，实验证明这一组算法比传统快速排序算法和已有的一些改进算法在速度上均有不同程度的提高。
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| 关 键 词： | 中值滤波算法 滑动窗口 复杂度 图像处理 |
| 文章编号： | 1001-3695(2006)03-0085-04 |
| 收稿时间： | 2004-12-12 |
| 修稿时间： | 2005-04-05 |
A Fast Algorithm for Median Filtering in Multiform Window |
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| CAO Zhi-hu,SONG Bin-heng.A Fast Algorithm for Median Filtering in Multiform Window[J].Application Research of Computers,2006,23(3):85-88. |
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| Authors: | CAO Zhi-hu SONG Bin-heng |
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| Affiliation: | (School of Software, Tsinghua University, Beijing 100084, China) |
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| Abstract: | A series of algorithm are proposed in the paper to perform median filtering quickly in 7 kinds of window. They take advantage of the symmetry of the shapes, and set the window sliding order accordingly to make it convenient to utilize the existent information of the adjacent windows in two directions. It is proved that the new algorithm is much faster than the traditional sorting algorithm. |
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| Keywords: | Median Filter Algorithm Glide Window Complexity Image Processing |
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