Ling, Wing-Kuen and Tam, Kwong-Shun
(2001)
Set of perfect reconstruction non-uniform filter banks via a tree structure.
In: The Second International Conference on Wavelet Analysis and Its Applications, December 2001, Hong Kong.
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| Item Type: | Conference or Workshop contribution (Paper) |
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| Item Status: | Live Archive |
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Abstract
In this paper, we propose a novel method to test if a non-uniform filter bank can achieve perfect reconstruction via a tree structure. The set of decimators is first sorted in an ascending order. A non-uniform filter bank can achieve perfect reconstruction via a tree structure if and only if some or all of the channels corresponding to the maximum decimation ratio can be grouped into one channel, and the procedure can be repeated until all the channels are grouped together.
| Additional Information: | In this paper, we propose a novel method to test if a non-uniform filter bank can achieve perfect reconstruction via a tree structure. The set of decimators is first sorted in an ascending order. A non-uniform filter bank can achieve perfect reconstruction via a tree structure if and only if some or all of the channels corresponding to the maximum decimation ratio can be grouped into one channel, and the procedure can be repeated until all the channels are grouped together. |
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| Keywords: | perfect reconstruction, nonuniform filter bank, tree structure filter bank |
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| Subjects: | H Engineering > H610 Electronic Engineering |
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| Divisions: | College of Science > School of Engineering |
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| ID Code: | 3108 |
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| Deposited On: | 06 Aug 2010 12:02 |
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