Displaying 2 results from an estimated 2 matches for "duttweil".
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duteil
2004 Sep 10
2
Blocking and compression.
On Tue, 2004-01-20 at 23:44, Josh Coalson wrote:
> Miroslav did some experiments with searching for optimum blocksize.
> from what I remember it made at best a couple percent difference.
> there was a thread about it here a while back.
>
Did his changes make it in? I can think of a coupla ways to approach
this and I'd like to hear about what he tried.
A couple of % doesnt seem
2004 Sep 10
4
Blocking and compression.
...B. Pennebaker and J.L. Mitchell,
"Probability Adaption for Arithmetic Coders".
US 4,905,297, February 27, 1990, G.G. Langdon, Jr., J.L. Mitchell, W.B.
Pennebaker, and F.F. Rissanen, "Arithmetic Coding Encoder and Decoder
System".
US 4,973,961, November 27, 1990, C. Chamzas, D.L. Duttweiler, "Method
and Apparatus for Carry-over Control in Arithmetic Entropy Coding".
US 5,025,258, June 18, 1991, D.L. Duttweiler, "Adaptive Probability
Estimator for Entropy Encoding/Decoding".
The important one is the second one. The link for it is:
http://patft.uspto.gov/netacgi/n...