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LZRW2
The
LZRW2 algorithm is similar to the LZRW1 algorithm.
However, instead of coding LZ77 offsets directly, both the coder
and decoder maintain a rotating table of pointers to offset
positions. This increases the compressor's memory because the
offset coding space is no longer polluted with "dead" positions
not represented in the hash table. The result is an increase in
compression (over LZRW1) at a small cost in speed.
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Copyright © Ross N. Williams 1996-1997. All rights reserved.