Perfect-translation-invariant variable-density complex discrete wavelet transform

Abstract

The theorems giving the conditions for discrete wavelet transforms (DWTs) to achieve perfect translation invariance (PTI) have already been proven, and based on these theorems, the dual-tree complex DWT and the complex wavelet packet transform, achieving PTI, have already been proposed. However, there is not so much flexibility in their wavelet density. In… (More)
DOI: 10.1142/S0219691314600017

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