| 双变量EMD分析的平面离散曲线光顺方法 |
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| 引用本文： | 谭小俊,杜轶诚,秦绪佳.双变量EMD分析的平面离散曲线光顺方法[J].计算机系统应用,2011,20(10):210-214. |
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| 作者姓名： | 谭小俊 杜轶诚 秦绪佳 |
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| 作者单位： | 浙江工业大学计算机科学与技术系,杭州,310032 |
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| 基金项目： | 国家自然科学基金(61075118,60673063); 国家科技支撑计划(2007BAH11B02); 浙江省自然科学基金(Y1080436,Y1100880); 浙江省科技计划(2009C31106) |
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| 摘 要： | 曲线的光顺在计算机辅助设计及其相关制造业中都有着重要作用.通过把平面离散曲线当作非平稳信号来处理,提出了一种双变量经验模式分解(EMD)的平面数字曲线光顺方法.方法首先将平面数字曲线的各个变量分离,参数化为两个一维信号；然后运用一维EMD方法对一维化的信号进行滤波处理,去除高频噪声；最后对两个处理好的信号进行合成,得到...
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| 关 键 词： | 平面离散曲线 经验模式分解(EMD) 光顺 双变量 |
| 收稿时间： | 2011/2/10 0:00:00 |
| 修稿时间： | 3/8/2011 12:00:00 AM |
Bivariate EMD Analysis Method for Discrete Plane Curve Smoothing |
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| TAN Xiao-Jun,DU Yi-Cheng and QIN Xu-Jia.Bivariate EMD Analysis Method for Discrete Plane Curve Smoothing[J].Computer Systems& Applications,2011,20(10):210-214. |
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| Authors: | TAN Xiao-Jun DU Yi-Cheng and QIN Xu-Jia |
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| Affiliation: | TAN Xiao-Jun,DU Yi-Cheng,QIN Xu-Jia(School of Electronic Science and Technology,Zhejiang University of Technology,Hangzhou 310032,China) |
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| Abstract: | Curve smoothing plays an important role in both Computer Aided Geometric Design and related manufacturing industries.In this paper,considering discrete digital curve is looked as non-stationary signal,a novel method of filtering discrete digital plane curves based on Bivariate Empirical Mode Decomposition(EMD) is presented.Firstly,separate the variables of the discrete plane curve,and parameterize them into two one-dimensional signals.Secondly,use the method of EMD to filter and remove the high-frequency no... |
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| Keywords: | discrete plane curve empirical mode decomposition(EMD) smoothing bivariate |
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