The pros and cons of democracy

被引：26
|
作者：
Calderbank, AR
Daubechies, I
机构：
[1] AT&T Labs Res, Florham Pk, NJ 07932 USA
[2] Princeton Univ, Dept Math, Princeton, NJ 08544 USA
[3] Princeton Univ, Program Appl & Computat Math, Princeton, NJ 08544 USA
来源：
IEEE TRANSACTIONS ON INFORMATION THEORY | 2002年 / 48卷 / 06期
基金：
美国国家科学基金会;
关键词：
democratic decoding; sigma-delta quantization;
D O I：
10.1109/TIT.2002.1003852
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We introduce the concept of "democracy," in which the individual bits in a coarsely quantized representation of a signal are all given "equal weight" in the approximation to the original signal. We prove that such democratic representations cannot achieve the same accuracy as optimal nondemocratic schemes.
引用
收藏
页码：1721 / 1725
页数：5
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