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层叠滤波器的研究进展与分析 被引量：2

Research and analysis of stack filters
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摘要 非线性滤波器可有效地处理脉冲噪声、斑点噪声或信号独立噪声,被广泛地应用在信号和图像处理领域中。层叠滤波器是一种逐渐兴起的非线性数字滤波器,它具有阈值分解和层叠性。由于确定层叠滤波器的正布尔函数的长度随变量的增加呈指数变化,层叠滤波器的优化设计成为该研究领域的技术难题,本文对国内外层叠滤波器的基础理论进行分析,从数学优化模型、统计特性、输出分布等几个角度进行了综合归纳和分析,力图为层叠滤波器的优化设计寻找突破点,加强此领域的研究力度。 Nonlinear digital filter have been widely used in many signal and image processing applications since they can effectively deal with involve impulsive, speckle, or signal-dependent noise. Stack filters are a kind of nonlinear digital filters, which satisfy a weak superposition property known as the threshold decomposition and stacking property. Since positive Boolean functions length increase exponentially, optimization design of stack filters have been a difficult problem. This paper generalized and analyzed various methods from mathematical optimization model, design optimization result, which tries to find breakthroughs and promote the research.
作者 赵春晖
机构地区 哈尔滨工程大学信息与通信工程学院
出处 《电子测量与仪器学报》 CSCD 2009年第5期1-10,共10页 Journal of Electronic Measurement and Instrumentation
基金 国家自然科学基金(编号:60672034)资助项目
关键词 层叠滤波器 优化设计 数学优化模型 阈值分解 图像处理 stack filter optimization design mathematical optimization model threshold decomposition image processing
分类号 TN911.1 [电子电信—通信与信息系统]
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参考文献47

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二级参考文献25

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共引文献18

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电子测量与仪器学报
2009年 第5期

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