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Hanning filter
Posted: Thu Oct 06, 2005 7:33 pm
by Drahken
There is a resizing filter called Hanning which does an excellent job, especially when reducing images with text. Original screen was 800x600, reduced to 500x375. Even
without sharpening, the text is still completely readable.
With sharpening, it looks quite good.
Note: There are 2 filters with similar names, haMMing is not very good, but haNNing is.
Beautiful !
Posted: Thu Oct 06, 2005 9:37 pm
by Clo
Drahken
Hello !
•
Wha ! The one with sharpening is really
beautiful !
- I would like really to use it for my screen-shots jobs… but what about the (KB) output file-size, regarding the original one ?
KR
Claude
Clo
Posted: Thu Oct 06, 2005 9:57 pm
by ouistiti
2 Drahken
Sounds really good !......
2 Pierre
Pierre, please, add it - if there is no patent / licence issue - of course...
Friendly
Paul
Posted: Fri Oct 07, 2005 6:37 am
by xnview
ouistiti wrote:
2 Pierre
Pierre, please, add it - if there is no patent / licence issue - of course...
Ok, i'll add it
Posted: Fri Oct 07, 2005 6:44 am
by helmut
xnview wrote:ouistiti wrote:
2 Pierre
Pierre, please, add it - if there is no patent / licence issue - of course...
Ok, i'll add it
Good stuff. Thank you, Drahken, for pointing us to this filter!
Posted: Fri Oct 07, 2005 1:11 pm
by Drahken
Shouldn't be any licensing issues, the filter's available in one freeware prog that I know of (uniview) and one open source one (image magick). Both of these have about 16 different filters (the same 8 as xnview, plus about 8 more). Most of the other filters really aren't worth mentioning though. They are really "bad", they just aren't noticeably "good" either.
Filesize comparisons:
original-truecolor.png 93.6k
original-256.png 31.9k
resized-truecolor.png 102k
resized-256.png 28.5k
resized-sharpened-truecolor.png 122k
resized-sharpened-256.png 32.4k
original.jpg 111.2k
resized.jpg 47.5k
resized-sharpened.jpg 56.5k
Nice filter !
Posted: Fri Oct 07, 2005 6:44 pm
by Clo
Pierre
Hello !
• Thank you to add this good stuff !
Drahken
Hello !
• The sizes you show here are very good !
I know Uniview so well, I'm even ß-tester and the French translator… but I missed this filter ! I use it mainly for the painting retouchs now… waiting to get the same in XnView (promised)
K R
Claude
Clo
Posted: Fri Oct 07, 2005 7:10 pm
by Drahken
The uniview by andrek? (There's at least 2 different programs called uniview. One is freeware by andrek, the other one I know of is commercial. Funny thing is that I like the freeware one better than the commercial one. :-\ ) I use it primarily for the variety of formats it can save, and especially the advanced features of some of those formats (jpeg2000 for example).
The free, indeed !
Posted: Fri Oct 07, 2005 8:15 pm
by Clo
Indeed, the freeware Uniview by
Andrej Krutak-friend from Sovakia !
{ Just read the "About… for the tester and translator... }
KR
Claude
Clo
Posted: Fri Oct 07, 2005 8:19 pm
by Drahken
btw You should remind him to update his own web address in the about screen. It still says
http://www.gymrk.sk/andrek/uniview/, which just comes up 404. For those who see this thread and are curious, the current address is
http://andrek.wz.cz/uniview/
[OT] URL
Posted: Fri Oct 07, 2005 8:34 pm
by Clo
Right about the address, I have to write him (that I did not for a while…), hoping he'll restart the development which is sleeping for two years and more…
K R
Claude
Clo
