秩选择非线性滤波器及其优化  

Rank selection nonlinear filter and its optimization

作　　者：宋焕生[1] 赵祥模[1] 王养利[2] 

机构地区：[1]长安大学信息学院,陕西西安710064 [2]西安电子科技大学计算机学院,陕西西安710071

出　　处：《西北大学学报（自然科学版）》2006年第3期389-392,共4页Journal of Northwest University（Natural Science Edition）

基　　金：国家自然科学基金部分资助项目(60272050)

摘　　要：目的研究由中值滤波器推广得到的一类重要的滤波器形式及其优化设计方法。方法分析加权顺序统计滤波器的优化算法,由此导出秩选择滤波器的自适应优化算法。结果模拟实验显示,导出的自适应算法能够很好收敛。结论算法可以很好地用于图像处理中的秩选择滤波器设计。Aim To study the nonlinear rank selection filter and its adaptive optimal algorithm, this useful filter category is derived from the median filter. Methods By analyzing the adaptive optimization algorithm of weight order statistic filter, the adaptive optimization algorithm for rank selection filter has been derived. Results The experiments have shown that the proposed algorithm has good convergent performance. Conclusion The proposed algorithm can be used for ranking selection filter designing in the unstable signal processing applications, especially in the image processing.

关 键 词：非线性滤波 滤波器设计 顺序统计滤波 滤波器优化 

分 类 号：TN919.8[电子电信—通信与信息系统]