Contour Matching Using Wavelet Transform and Multigrid Methods

被引：0
|
作者：
蒋田仔
马颂德
机构：
来源：
JournalofComputerScienceandTechnology | 1997年 / 06期
关键词：
Contour matching; curvature; wavelet transform; multigrid method;
D O I：
暂无
中图分类号：
TP391.4 [模式识别与装置];
学科分类号：
0811 ; 081101 ; 081104 ; 1405 ;
摘要：
In this paper, wavelet transform and multigrid method are combined to make the method more practical. It is known that Gaussian filtering causes shrinkage of data. To overcome this disadvantage, Gaussian filtering is replaced with wavelet transform. This method introduces no curve shrinkage. Then, the linearized form of objective equation is proposed. This makes contour matching easier to implement. Finally, the multigrid method is used to speed up the convergence.
引用
收藏
页码：564 / 570
页数：7
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