December 2002
Intermediate to advanced
454 pages
25h 39m
English
Content preview from Lossless Compression Handbook
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CHAPTER 7 / BURROWS-WHEELER COMPRESSION 181
3. The Move-To-Front operation.
4. The final statistical compressor.
In fact the division is not as simple as this because often a problem in one area must be solved
or have repercussions in another.
One point which must be raised is the question of overheads. It is all too easy to propose
a solution which looks good until one counts the cost of the overheads. For example, suppose
that we want to recode the input in some way and experiments show that this recoding improves
compression of text files by 1%, a possibly useful amount. A text file has an alphabet of around ...
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