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[CODE,COMPRESSION]=HUFFMAN5(P)
P is the probability (or number of occurences) of each alphabet symbol
CODE gives the huffman code in a string format of ones and zeros
COMPRESSION gives the compression rate
Huffman5 works by first building up a binary tree (eg p =[ .5 .2 .15 .15])
Such that the tree always terminates at an alphabet symbol and the symbols furthest away from the root have the lowest probability. The branches at each level are labeled 0 and 1.
For this example CODE would be
1
00
010
011
and the compression rate 1.1111
Citation pour cette source
Sean Danaher (2024). huffman.m (https://www.mathworks.com/matlabcentral/fileexchange/227-huffman-m), MATLAB Central File Exchange. Récupéré le .
Compatibilité avec les versions de MATLAB
Plateformes compatibles
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- MATLAB > Data Import and Analysis > Large Files and Big Data >
- Signal Processing > Wavelet Toolbox > Denoising and Compression >
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Version | Publié le | Notes de version | |
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1.0.0.0 |