Minimum‐Energy Bivariate Wavelet Frame with Arbitrary Dilation Matrix

Fengjuan Zhu, Qiufu Li and Yongdong Huang

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: In order to characterize the bivariate signals, minimum‐energy bivariate wavelet frames with arbitrary dilation matrix are studied, which are based on superiority of the minimum‐energy frame and the significant properties of bivariate wavelet. Firstly, the concept of minimum‐energy bivariate wavelet frame is defined, and its equivalent characterizations and a necessary condition are presented. Secondly, based on polyphase form of symbol functions of scaling function and wavelet function, two sufficient conditions and an explicit constructed method are given. Finally, the decomposition algorithm, reconstruction algorithm, and numerical examples are designed.

Date: 2013
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https://doi.org/10.1155/2013/896050

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:896050

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