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.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=417698
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