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eiichi-worker/memo_2017-12-13-001.md

Last active December 13, 2017 00:37
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圧縮memo
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memo_2017-12-13-001.md

圧縮

シャノンの定理

RLE（ランレングス）

LZ77

LZ78

LZSS

zip

ハフマン符号

lzw

gif

Deflate

gzip png

bzip2

圧縮伸張が遅い 圧縮率高い

lzma2 ★

xz

bzip2の置き換え

Zstandard ★

lz77系 圧縮 gzipの1/5

Deflateの置き換えになるかも

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