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Results on optimal biorthogonal filter banks

机译:最佳双正交滤波器组的结果

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摘要

Optimization of filter banks for specific input statistics has been of interest in the theory and practice of subband coding. For the case of orthonormal filter banks with infinite order and uniform decimation, the problem has been completelysolved in recent years. For the case of biorthogonal filter banks, significant progress has been made recently, although a number of issues still remain to be addressed. In this paper we briefly review the orthonormal case, and then present several newresults for the biorthogonal case. All discussions pertain to the infinite order (ideal filter) case. The current status of research as well as some of the unsolved problems are described.
机译:针对特定输入统计量的滤波器组的优化在子带编码的理论和实践中一直很有意义。对于具有无限有序和均匀抽取的正交滤波器组的情况,该问题近年来已完全解决。在双正交滤波器组方面,最近取得了重大进展,但仍有一些问题有待解决。在本文中,我们简要回顾了正交情况,然后提出了双正交情况的几个新结果。所有讨论都与无限阶(理想滤波器)情况有关。描述了研究的现状以及一些未解决的问题。

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