Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.compression > #1297
| From | glen herrmannsfeldt <gah@ugcs.caltech.edu> |
|---|---|
| Newsgroups | comp.compression |
| Subject | Re: Words as well as characters as encoding units |
| Date | 2012-05-08 08:19 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <joakv1$99n$3@speranza.aioe.org> (permalink) |
| References | (7 earlier) <jo41tc$6le$1@speranza.aioe.org> <jo430j$fod$1@news.albasani.net> <jo463v$hdq$1@speranza.aioe.org> <jo47ev$o9a$1@news.albasani.net> <a0rtihFu2kU1@mid.individual.net> |
Niels Fröhling <spamtrap@adsignum.com> wrote: >> My layman's impression could certainly be wrong. But to me this seems >> to be that LZW normally attempts to find as much correlations between >> words as possible, which to a large part might actually not be >> profitable work in practice. > Can you name a language without correlations? > Can you even point at digital data which is uncorrelated? > (I'd exclude SETI captures here :^), that is likely uncorrelated data) The question is what might be in a file that one wants to compress, and that might not be in a language. For example, one might be working with GPS systems, and have files full of latitude and longitude values. You can consider those "words", but might not have any correlation. -- glen
Back to comp.compression | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 10:26 +0200
Re: Words as well as characters as encoding units James Dow Allen <jdallen2000@yahoo.com> - 2012-05-05 02:41 -0700
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 15:06 +0200
Re: Words as well as characters as encoding units Thomas Richter <thor@math.tu-berlin.de> - 2012-05-05 17:05 +0200
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 19:42 +0200
Re: Words as well as characters as encoding units glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-05-05 18:33 +0000
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 21:22 +0200
Re: Words as well as characters as encoding units Thomas Richter <thor@math.tu-berlin.de> - 2012-05-05 21:31 +0200
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 22:19 +0200
Re: Words as well as characters as encoding units glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-05-05 20:17 +0000
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 22:36 +0200
Re: Words as well as characters as encoding units glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-05-05 21:29 +0000
Re: Words as well as characters as encoding units Mok-Kong Shen <mok-kong.shen@t-online.de> - 2012-05-05 23:52 +0200
Re: Words as well as characters as encoding units Niels Fröhling <spamtrap@adsignum.com> - 2012-05-08 00:42 -0600
Re: Words as well as characters as encoding units glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-05-08 08:19 +0000
Re: Words as well as characters as encoding units Niels Fröhling <spamtrap@adsignum.com> - 2012-05-09 15:14 -0600
Re: Words as well as characters as encoding units James Dow Allen <jdallen2000@yahoo.com> - 2012-05-09 22:17 -0700
csiph-web