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Entropy-constrained high-resolution lattice vector quantization using a perceptually relevant distortion measure
KTH, School of Electrical Engineering (EES), Sound and Image Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Sound and Image Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2007 (English)In: CONFERENCE RECORD OF THE FORTY-FIRST ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1-5, NEW YORK: IEEE , 2007, 2075-2079 p.Conference paper, Published paper (Other academic)
Abstract [en]

In this paper we study high-resolution entropy-constrained coding using multidimensional companding. To account for auditory perception, we introduce a perceptual relevant distortion measure. We will derive a multidimensional companding function which is asymptotically optimal in the sense that the rate loss introduced by the compander will vanish with increasing vector dimension. We compare the companding scheme to a scheme which is based on a perceptual weighting of the source, thereby transforming the perceptual distortion measure into a mean-squared error distortion measure. Experimental results show that even at low vector dimension, the rate loss introduced by the compander is low (less than 0.05 bit per dimension in case of two-dimensional vectors).

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2007. 2075-2079 p.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-36118DOI: 10.1109/ACSSC.2007.4487603ISI: 000257172901131Scopus ID: 2-s2.0-50249101074OAI: oai:DiVA.org:kth-36118DiVA: diva2:430566
Conference
41st Asilomar Conference on Signals, Systems and Computers Pacific Grove, CA, NOV 04-07, 2007
Note
QC 20110711Available from: 2011-07-11 Created: 2011-07-08 Last updated: 2011-07-11Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf