A fast algorithm for bidimensional EMD

被引：215

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

页码：701 / 704

页数：4

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