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The near shift-invariance of the dual-tree complex wavelet transform revisited This publication appears in: Journal of Mathematical Analysis and Applications Authors: A. Barri, A. Dooms and P. Schelkens Volume: 389 Issue: 2 Pages: 1303-1314 Publication Date: May. 2012
Abstract: The dual-tree complex wavelet transform (DT-CWT) is an enhancement of the conventional discrete wavelet transform (DWT) due to a higher degree of shift-invariance and a greater directional selectivity, finding its applications in signal and image processing. This paper presents a quantitative proof of the superiority of the DT-CWT over the DWT in case of modulated wavelets. External Link.
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