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2010

Design of regular wavelets using a three-step lifting scheme

9 years 1 months ago
Design of regular wavelets using a three-step lifting scheme
We propose structural multidimensional multi-channel filter banks with desirable numbers of vanishing moments for the analysis and synthesis banks. For a two-channel filter bank, we use a threestep lifting scheme as opposed to the conventional two-step lifting method in order to provide more symmetry between the analysis and synthesis filters. We show that the resulting filters have more regularity, lower frame bounds ratio, and better frequency selectivity. We also extend our design to a general multi-channel framework. Three steps of lifting scheme provides us a degree of freedom which we can benefit from toward a more flexible design.
Ramin Eslami, Hayder Radha
Added 22 May 2011
Updated 22 May 2011
Type Journal
Year 2010
Where TSP
Authors Ramin Eslami, Hayder Radha
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