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Design of Cosine-Sine Modulated Filter Banks without DC Leakage

Maass, Marco, Phan, Huy, Mertins, Alfred (2014) Design of Cosine-Sine Modulated Filter Banks without DC Leakage. In: 19th IEEE International Conference on Digital Signal Processing (DSP 2014). . pp. 486-491. IEEE, Hong Kong, China E-ISBN 978-1-4799-4612-9. (doi:10.1109/ICDSP.2014.6900713) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:72692)

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We propose a new design structure for the M-band dual-tree wavelet transform based on the idea of using cosine-sine modulated filter banks. The filter coefficients for the real and imaginary parts of the transform will be computed by using cosine- and sine-modulated filter banks, respectively. In the proposed structure, the zero-delay and maximum-delay matrices calculated for the cosine-modulated filter banks will be extended for sine-modulated filter banks with a few sign changes. Furthermore, the resulting structure can be easily enforced with the constraints so that the prototype is able to produce a pair of DC-leakage-free filter banks. The experimental results confirmed these advantageous properties of our proposed design structure.

Item Type: Conference or workshop item (Proceeding)
DOI/Identification number: 10.1109/ICDSP.2014.6900713
Uncontrolled keywords: cosine-sine modulated filter bank; modulated filter bank; M-band filter bank; dual-tree wavelet transform; shift invariance; DC leakage
Divisions: Faculties > Sciences > School of Computing
Depositing User: Huy Phan
Date Deposited: 25 Feb 2019 17:18 UTC
Last Modified: 03 Jun 2019 09:28 UTC
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