• DocumentCode
    417698
  • Title

    Sigma-delta quantization and finite frames

  • Author

    Benedetto, John J. ; Yílmaz, Ö Zgür ; Powell, Alexander M.

  • Author_Institution
    Dept. of Math., Maryland Univ., College Park, MD, USA
  • Volume
    3
  • fYear
    2004
  • fDate
    17-21 May 2004
  • Abstract
    It is shown that sigma-delta (ΣΔ) algorithms can be used effectively to quantize finite frame expansions for Rd. Error estimates for various quantized frame expansions are derived, and, in particular, it is shown that ΣΔ quantizers outperform the standard PCM schemes.
  • Keywords
    parameter estimation; quantisation (signal); sigma-delta modulation; signal representation; ΣΔ quantizers; PCM schemes; atomic decomposition; digital representation; error estimates; finite frame expansions; sigma-delta quantization; signal processing; Delta-sigma modulation; Dictionaries; Digital signal processing; Educational institutions; Hilbert space; Mathematics; Phase change materials; Quantization; Signal processing; Signal processing algorithms;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
  • ISSN
    1520-6149
  • Print_ISBN
    0-7803-8484-9
  • Type

    conf

  • DOI
    10.1109/ICASSP.2004.1326700
  • Filename
    1326700
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=417698