A fast algorithm for bidimensional EMD

被引：212
|
作者：
Damerval, C [1 ]
Meignen, S [1 ]
Perrier, V [1 ]
机构：
[1] Univ Grenoble, LMC, IMAG Lab, F-38000 Grenoble, France
来源：
IEEE SIGNAL PROCESSING LETTERS | 2005年 / 12卷 / 10期
关键词：
Delaunay triangulation; empirical mode decomposition (EMD);
D O I：
10.1109/LSP.2005.855548
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we describe a new method for bidimensional empirical mode decomposition (EMD). This decomposition is based on Delaunay triangulation and on piecewise cubic polynomial interpolation. Particular attention is devoted to boundary conditions that are crucial for the feasibility of the bidimensional EMD. The study of the behavior of the decomposition on a different kind of image shows its efficiency in terms of computational cost, and the decomposition of Gaussian white noises leads to bidimensional selective filter banks.
引用
收藏
页码：701 / 704
页数：4
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