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Dictionary Methods of Data Compression
Černičko, Sergij ; Polok, Lukáš (referee) ; Bařina, David (advisor)
The aim of this thesis is to analyse dictionary methods of data compression and their characteristics. The work is focused on and hands out detail overview of dictionary methods LZ77, LZ78, LZSS, LZW, DEFLATE and LZX. Principles of these methods and also general theory of compression is described. In conclusion all methods are tested and results analyzed.
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Medical Image Data Compression
Balarin, Jakub ; Španěl, Michal (referee) ; Kršek, Přemysl (advisor)
The efficiency of various compress algorithms on medical images is explored in this paper. It try's to find algorithm or group of algorithms with the best compress efficiency. Except classic algorithms the medicine data properties (it contains many similar image points) can be used to reach higher compress level. We verify delta coding efficienty to final compress ratio. At the end the best founded method is presented.
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Dictionary Methods of Data Compression
Kubica, Peter ; Beran, Vítězslav (referee) ; Bařina, David (advisor)
Due to increasing amount of stored and transferred data, there is a need of compression. For these purposes, there were invented many compressing algorithms. This thesis focuses on lossless compression, specifically on dictionary methods. This work sums up the knowledge about methods LZ77 and LZ78.. These methods were implemented in C++ language, according to their formal description. Detailed knowledge of their principles, advantages, disadvantages and possible improvements is the product.
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Dictionary Methods of Data Compression
Kubica, Peter ; Beran, Vítězslav (referee) ; Bařina, David (advisor)
Due to increasing amount of stored and transferred data, there is a need of compression. For these purposes, there were invented many compressing algorithms. This thesis focuses on lossless compression, specifically on dictionary methods. This work sums up the knowledge about methods LZ77 and LZ78.. These methods were implemented in C++ language, according to their formal description. Detailed knowledge of their principles, advantages, disadvantages and possible improvements is the product.
|
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| |
|
|
Dictionary Methods of Data Compression
Černičko, Sergij ; Polok, Lukáš (referee) ; Bařina, David (advisor)
The aim of this thesis is to analyse dictionary methods of data compression and their characteristics. The work is focused on and hands out detail overview of dictionary methods LZ77, LZ78, LZSS, LZW, DEFLATE and LZX. Principles of these methods and also general theory of compression is described. In conclusion all methods are tested and results analyzed.
|
|
|
Medical Image Data Compression
Balarin, Jakub ; Španěl, Michal (referee) ; Kršek, Přemysl (advisor)
The efficiency of various compress algorithms on medical images is explored in this paper. It try's to find algorithm or group of algorithms with the best compress efficiency. Except classic algorithms the medicine data properties (it contains many similar image points) can be used to reach higher compress level. We verify delta coding efficienty to final compress ratio. At the end the best founded method is presented.
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