Backward Weighted Coding

被引：3

作者：

Fruchtman, Aharon ^{[1
]}

Gross, Yoav ^{[1
]}

Klein, Shmuel T. ^{[2
]}

Shapira, Dana ^{[1
]}

机构：

[1] Ariel Univ, Dept Comp Sci, IL-40700 Ariel, Israel

[2] Bar Ilan Univ, Dept Comp Sci, IL-52900 Ramat Gan, Israel

来源：

2021 DATA COMPRESSION CONFERENCE (DCC 2021) | 2021年

关键词：

DATA-COMPRESSION;

D O I：

10.1109/DCC50243.2021.00017

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Extending recently suggested methods, a new dynamic compression algorithm is proposed, which assigns larger weights to characters that have just been coded by means of an increasing weight function. Empirical results present its efficient compression performance, which, for input files with locally skewed distributions, can improve beyond the lower bound given by the entropy for static encoding, at the price of slower running times for compression, and comparable time for decompression.

引用

页码：93 / 102

页数：10

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