Re: are there any "parametric" dictionary compression algorithms?
- From: aardappel@xxxxxxxxx
- Date: Sat, 26 Apr 2008 13:50:30 -0700 (PDT)
On Apr 26, 1:51 pm, Marco Al <m.f...@xxxxxxxxxxxxxxxxxx> wrote:
aardap...@xxxxxxxxx wrote:
And by "parametric" I don't mean in the sense I see it used in audio/
video compressors
You are using it in almost the same sense, except that in audio/video
coding the parametric models are provided and you want to learn them
from the data.
finding the right "functions" would be
horrendously slow and difficult.
If those functions even exist. In audio/video coding they of course do,
in natural languages? Doubt it.
I don't see why you are so down on dictionary coding. With a "large
enough" history/dictionary and order it can be optimal. All a parametric
model does is give you reduced memory requirements and sped up adaption.
Marco
I have no problem with dictionary encoding, I am not trying to make an
actual compression program/algorithm (as in, saving space). I merely
want to represent the input using the least amount of redundancy.
.
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