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 :: Mailing Lists

[ILUG] wavelet compression

[ILUG] wavelet compression

Sean McGrath smcgrath at maths.tcd.ie
Tue Apr 18 09:54:15 IST 2000


>> Thought those of you who deal with images on a frequent basis might like
>> what I'm now using. A ten meg file compressed to 100k is
>> indistinguishable from the original. The product is called LuraWave and
>> is available as a free dload for Linux. The Linux version appears to be
>> a Lura-enabled version of XV. Would like to hear if anyone else likes it
>> as much as I do. The have a demo page if one wants to have a look before
>> dloading.
>
> Are these techniques just for images, or could they be used on binaries
>too ? (I'm pretty sure they are image-only, but...)

   Image compression methods are typically lossy, i.e.. they lose data
   in the compression scheme.  gzip/zip/bzip2 etc are lossless compression
   schemes..

  Lossy compression is fine for pics etc since the human eye isn't that
   great for finer details ;-)

>
>Kate
  
Sean.
.




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