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Wednesday, February 5, 2014

FSE : Defining optimal subranges

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Note : Charles Bloom started an independent  in-depth analysis of ANS on his blog, which is definitely worth the read.  As stated in...
3 comments:
Monday, February 3, 2014

A comparison of Arithmetic Encoding with FSE

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  Arithmetic encoding was invented in the 70's by Jorma Rissanen. After a few decades during which the technique almost stagnated, pa...
Tuesday, January 14, 2014

Huffman, a comparison with FSE

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 In this serie explaining the behavior of Finite State Entropy , I find it interesting to make a quick comparison with  Huffman entropy...
15 comments:
Thursday, January 9, 2014

FSE decoding : how it works

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 After announcing the release of FSE and its results , it's time to have a look at its internals. We'll spend some time first ...
3 comments:
Monday, December 23, 2013

Zhuff v0.9, or a first FSE application

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 As a quick follow up to last week release of FSE , I wanted to produce a quick demo to show the kind of gain to expect with this new entr...
8 comments:
Monday, December 16, 2013

Finite State Entropy - A new breed of entropy coder

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 In compression theory, the entropy encoding stage is typically the last stage of a compression algorithm, the one where the gains from t...
40 comments:
Saturday, October 19, 2013

Compression stream (part 3)

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 After taking care of the decompression stream , it's now time to have a look at the compression side. As stated earlier, a compress...
2 comments:
Friday, September 27, 2013

Stream Decoding (part 2)

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 I've been considering a complementary idea since writing the first part of LZ4 streaming interface . A major point which bothered ...