About: Real-Time lifting wavelet transform algorithm     Goto   Sponge   NotDistinct   Permalink

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Description
  • When performing a wavelet transform of one-dimensional signals, it is often impractical or even impossible to load whole input signal at once. This is the case of long audio files or live performances, when real-time processing is necessary. The algorithm presented in this paper allows computation of the forward and inverse lifting wavelet transform of independent segments of the input signal much like well known overlap-add or overlap-save algorithms works for convolution. The goal of the algorithm is to find such overlaps between segments so there is no border distortion which may occur when no overlaps are used due to the difference of wavelet coefficients at the segment borders.
  • When performing a wavelet transform of one-dimensional signals, it is often impractical or even impossible to load whole input signal at once. This is the case of long audio files or live performances, when real-time processing is necessary. The algorithm presented in this paper allows computation of the forward and inverse lifting wavelet transform of independent segments of the input signal much like well known overlap-add or overlap-save algorithms works for convolution. The goal of the algorithm is to find such overlaps between segments so there is no border distortion which may occur when no overlaps are used due to the difference of wavelet coefficients at the segment borders. (en)
Title
  • Real-Time lifting wavelet transform algorithm
  • Real-Time lifting wavelet transform algorithm (en)
skos:prefLabel
  • Real-Time lifting wavelet transform algorithm
  • Real-Time lifting wavelet transform algorithm (en)
skos:notation
  • RIV/00216305:26220/11:PU95017!RIV12-MSM-26220___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S, Z(MSM0021630513)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 225862
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/11:PU95017
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • lifting scheme, wavelet transform, real-time (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [FFCBE5D1CE22]
http://linked.open...i/riv/nazevZdroje
  • Elektrorevue - Internetový časopis (http://www.elektrorevue.cz)
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2011
http://linked.open...iv/tvurceVysledku
  • Průša, Zdeněk
  • Rajmic, Pavel
http://linked.open...n/vavai/riv/zamer
issn
  • 1213-1539
number of pages
http://localhost/t...ganizacniJednotka
  • 26220
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