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Research on BWT and Classical Compression Algorithms

Ni Guiqiang Li Bin Luo Jianxin Zhang Xue(Institute of Command Automation,PLA University of Science & Technology,Nanjing 210007)  
In order to enhance the effect of lossless compression,the fundamental principle of BWT was analyzed,the basic idea of Huffman,arithmetic coding,LZ77 and LZW were reviewed and their performance were compared,then the research was focus on the combination of BWT with muti-order arithmetic coding and LZW.The research and experimental results indicate that,by using BWT as a preprocessing,the compression effect of the files which are bigger than the block size of BWT is improved remarkably.
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