Design of context-free grammars for lossless data compression

被引：1
|
作者：
Kieffer, JC [1 ]
Yang, E [1 ]
机构：
[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
来源：
1998 INFORMATION THEORY WORKSHOP - KILLARNEY, IRELAND | 1998年
关键词：
D O I：
10.1109/ITW.1998.706446
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Any context-free grammar G generates a language L(G). We are interested in context-free grammars G in which L(G) consists of exactly one string. Given a data string a: over a finite alphabet and a context-free grammar G such that L(G) = {x}, one call reduce G to a simpler grammar G' for which L(G') = {x} and for which certain constraints are satisfied. One then losslessly compresses x by losslessly compressing the grammar G'. The redundancy performance of this compression algorithm based upon reduced grammars is discussed.
引用
收藏
页码：84 / 85
页数：2
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