Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30101
Title: Issues of filter design for binary wavelet transform
Authors: Law, NF 
Siu, WC 
Issue Date: 2001
Source: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2001, v. 6, p. 3649-3652 How to cite?
Abstract: Wavelet decomposition has recently been generalized to binary field in which the arithmetic is performed wholly in GF(2). In order to maintain an invertible binary wavelet transform with desirable multiresolution properties, the bandwidth, the perfect reconstruction and the vanishing moment constraints are placed on the binary filters. While they guarantee an invertible transform, the transform becomes non-orthogonal and non-biorthogonal in which the inverse filters could be signal length-dependent. We propose to apply the perpendicular constraint on the binary filters to make them length independent. A filter design strategy is outlined in which a filter design for a length of eight is given. We also propose an efficient implementation structure for the binary filters that saves memory space and reduces the computational complexity.
Description: 2001 IEEE Interntional Conference on Acoustics, Speech, and Signal Processing, Salt Lake, UT, 7-11 May 2001
URI: http://hdl.handle.net/10397/30101
ISSN: 1520-6149
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