On the Approximation Ratio of Lempel-Ziv Parsing.
Travis GagieGonzalo NavarroNicola PrezzaPublished in: LATIN (2018)
Keyphrases
- approximation ratio
- lempel ziv
- data compression
- approximation algorithms
- compression scheme
- np hard
- special case
- approximate string matching
- lossless compression
- greedy algorithm
- source coding
- search algorithm
- natural language
- greedy algorithms
- minimum cost
- information theoretic
- image compression
- suffix array
- worst case
- context free grammars
- natural language processing
- entropy coding
- compression ratio
- image processing
- n gram
- arithmetic coding
- image quality
- upper bound
- data structure
- compressed text
- optimal solution