Efficient ID and 2D daubechies wavelet transforms with application to signal processing

被引:0
|
作者
Lipinski, Piotr [1 ]
Yatsymirskyy, Mykhaylo [2 ]
机构
[1] Tech Univ Lodz, Div Comp Networks, Stefanowskiego 18-22, PL-90924 Lodz, Poland
[2] Tech Univ Lodz, Dept Comp Sci, Lodz, Poland
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中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper we have introduced new, efficient algorithms for computing one- and two-dimensional Daubechics wavelet transforms of any order, with application to signal processing. These algorithms has been constructed by transforming Daubechies wavelet filters into weighted sum of trivial filters. The theoretical computational complexity of the algorithms has been evaluated and compared to pyramidal and ladder ones. In order to prove the correctness of the theoretical estimation of computational complexity of the algorithms, sample implementations has been supplied. We have proved that the algorithms introduced here are the most robust of all class of Daubechies transforms in terms of computational complexity, especially in two dimensional case.
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页码:391 / +
页数:2
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