Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140233
Title: Almost tight rational coefficients biorthogonal wavelet filters
Authors: Tay, David B. H.
Lin, Zhiping
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Tay, D. B. H., & Lin, Z. (2018). Almost Tight Rational Coefficients Biorthogonal Wavelet Filters. IEEE Signal Processing Letters, 25(6), 748-752. doi:10.1109/LSP.2018.2819971
Journal: IEEE Signal Processing Letters
Abstract: Wavelet filters with rational coefficients can be implemented efficiently in digital hardware using simple register shifts and adders. In this letter, a technique to construct biorthogonal filters with rational coefficients is presented. The filters have linear phase and also have very similar characteristics to orthogonal filters, while the latter cannot have linear phase. The frame bound ratio of the filters is very close to unity, i.e., almost tight. The filters are constructed via the lifting scheme with four lifting steps. The perfect reconstruction and the no-dc-leakage properties are preserved with these rational coefficients filters.
URI: https://hdl.handle.net/10356/140233
ISSN: 1070-9908
DOI: 10.1109/LSP.2018.2819971
Rights: © 2018 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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