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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 645
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Karl Skretting (1 other programs)
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scripts default iconHuffman Coding and Arithmetic Coding Publisher's description

Huffman Coding and Arithmetic Coding - Functions that compress integer sequences.

This file contains MATLAB functions, m-files, that do Huffman coding and arithmetic coding of integer (symbol) sequences. Complete coding may be done by calling an easy to use main program (or main function), where input argument is the sequences you want to compress and the output is the compressed bitstream, as a vector of bytes. Decoding is done just by switching the arguments.

These main programs are: the Huffman coder, Huff06 an updated version of the Huff03 function sbmitted earlier, and two versions of the arithmetic coder, Arith06.m and Arith07.m. The zipped file also contains examples and a contents file.

Example of use:
y=Huff06(xC); % encoding
xC=Huff06(y); % decoding
where xC is a cell array of column vectors of integers representing the symbol sequences and y is a column vector of non-negative itegers (bytes) representing the code, 0 <= y(i) <= 255.

System Requirements:

Program Release Status: Major Update
Program Install Support: Install Only

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