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Discrete wavelet transform

Known as: DWT 
In numerical analysis and functional analysis, a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely… Expand
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Binomial QMFBiorthogonal waveletBlancmange curveCCSDS 122.0-B-1
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Broader (1)

Digital signal processing

Papers overview

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Highly Cited
2010
Highly Cited
2010
Digital Image Watermarking Using Discrete Wavelet Transform and Singular Value Decomposition
The main objective of developing an image-watermarking technique is to satisfy both imperceptibility and robustness requirements… Expand
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Highly Cited
2009
Highly Cited
2009
Automatic detection of epileptic seizures in EEG using discrete wavelet transform and approximate entropy
  • Hasan Ocak
  • Expert Syst. Appl.
  • 2009
    • Corpus ID: 33120249
In this study, a new scheme was presented for detecting epileptic seizures from electro-encephalo-gram (EEG) data recorded from… Expand
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Highly Cited
2008
Highly Cited
2008
A General Approach for the Transient Detection of Slip-Dependent Fault Components Based on the Discrete Wavelet Transform
In this paper, a general methodology based on the application of discrete wavelet transform (DWT) to the diagnosis of the cage… Expand
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Highly Cited
2005
Highly Cited
2005
The redundant discrete wavelet transform and additive noise
  • J. Fowler
  • IEEE Signal Processing Letters
  • 2005
    • Corpus ID: 6482854
The behavior under additive noise of the redundant discrete wavelet transform (RDWT), which is a frame expansion that is… Expand
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Highly Cited
2002
Highly Cited
2002
Dimensionality reduction of hyperspectral data using discrete wavelet transform feature extraction
In this paper, the dyadic discrete wavelet transform is proposed for feature extraction from a high-dimensional data space. The… Expand
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Highly Cited
2002
Highly Cited
2002
Using the discrete wavelet frame transform to merge Landsat TM and SPOT panchromatic images
Abstract In this paper, we propose a pixel level image fusion algorithm for merging Landsat thematic mapper (TM) images and SPOT… Expand
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Highly Cited
1998
Highly Cited
1998
The dual-tree complex wavelet transform: a new technique for shift invariance and directional filters
A new implementation of the Discrete Wavelet Transform is presented, suitable for a range of signal and image processing… Expand
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Highly Cited
1996
Highly Cited
1996
Noise reduction using an undecimated discrete wavelet transform
A new nonlinear noise reduction method is presented that uses the discrete wavelet transform. Similar to Donoho (1995) and… Expand
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Highly Cited
1993
Highly Cited
1993
Embedded image coding using zerotrees of wavelet coefficients
The embedded zerotree wavelet algorithm (EZW) is a simple, yet remarkably effective, image compression algorithm, having the… Expand
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Highly Cited
1992
Highly Cited
1992
The discrete wavelet transform: wedding the a trous and Mallat algorithms
  • M. Shensa
  • IEEE Trans. Signal Process.
  • 1992
    • Corpus ID: 9791192
Two separately motivated implementations of the wavelet transform are brought together. It is observed that these algorithms are… Expand
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