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Title:ALGORITMI STISKANJA PODATKOV LZ77, LZSS, LZ78 IN LZW
Authors:ID Kostanjšek, Matej (Author)
ID Žalik, Borut (Mentor) More about this mentor... New window
Files:.pdf UN_Kostanjsek_Matej_2015.pdf (1,80 MB)
MD5: 57B48289B3D5ABB11BBC584F2169098E
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Zaradi potreb po shranjevanju in prenosu velikih količin podatkov so se v praksi dobro uveljavili algoritmi za stiskanje podatkov. V grobem se delijo na algoritme, ki podatke stiskajo z izgubami in algoritme, ki podatke stiskajo brez izgub. Med slednje spada tudi skupina algoritmov stiskanja s slovarjem, iz katere bomo v tem diplomskem delu predstavili štiri: LZ77, LZSS, LZ78 in LZW. Za vsak algoritem bomo predstavili njihovo delovanje in rezultate, algoritme pa bomo tudi med seboj primerjali.
Keywords:stiskanje podatkov, stiskanje s slovarjem, optimizacija
Place of publishing:[Maribor
Publisher:M. Kostanjšek
Year of publishing:2015
PID:20.500.12556/DKUM-54746 New window
UDC:004.627.021(043.2)
COBISS.SI-ID:19316758 New window
NUK URN:URN:SI:UM:DK:5RLFLRRI
Publication date in DKUM:15.10.2015
Views:2546
Downloads:254
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:DATA COMPRESSION ALGORITHMS LZ77, LZSS, LZ78 AND LZW
Abstract:Due to the need of storing and transfering large amounts of data, the algorithms for compressing data have been firmly established in practice. They can be rougly divided into loosy and lossless algorithms. The latter group includes compression algorithms with dictionary, from which we present four of them: LZ77, LZSS, LZ78 and LZW. Each algorithm is considered in details with their workflow and results. All the implemented algorithms are compared at the end.
Keywords:data compression, dictionary-based compression, optimization


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