Please use this identifier to cite or link to this item: https://doi.org/10.1109/78.258098
Title: Applications of complex valued wavelet transforms to subband decomposition
Authors: Lawton, Wayne 
Issue Date: Dec-1993
Citation: Lawton, Wayne (1993-12). Applications of complex valued wavelet transforms to subband decomposition. IEEE Transactions on Signal Processing 41 (12) : 3566-3568. ScholarBank@NUS Repository. https://doi.org/10.1109/78.258098
Abstract: A method for constructing complex valued linear phase FIR conjugate quadrature filters and associated wavelet bases is described. Each filter is derived by replacing certain zeros of a real valued FIR conjugate quadrature filter by their reciprocal conjugates. The derived filters have the same frequency response magnitudes as the original filters and their liner phase property permits the use of symmetrization in subband decomposition to avoid border discontinuities that result from signal periodization. Subband decomposition and reconstruction using both a length 6 filter associated with a Daubechies wavelet bases and a related length 6 complex valued linear phase filter are compared to illustrate the reduced border effects.
Source Title: IEEE Transactions on Signal Processing
URI: http://scholarbank.nus.edu.sg/handle/10635/111140
ISSN: 1053587X
DOI: 10.1109/78.258098
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