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Resampling - which algorithm is best?
Posted: Tue Jan 11, 2005 5:07 pm
by Lasse
Hello!
When I resample a picture .. which method is the best?
Where are the pros/cons?
Is there an overview? (Gaussian, Nearest neighbour,...)
Regards,
Lasse
Check that one
Posted: Tue Jan 11, 2005 5:59 pm
by Olivier_G
In addition to making an excellent Editing software (
Picture Window Pro), Jonathan Sachs has written some excellent White Papers. Check this one about
Resampling methods (PDF).
Olivier
Re: Resampling
Posted: Tue Jan 11, 2005 8:42 pm
by helmut
Lasse wrote:When I resample a picture .. which method is the best?
Where are the pros/cons?
Is there an overview? (Gaussian, Nearest neighbour,...)
"Lanczos" resampling is recommended and gives best results in most cases. More details in the document Olivier pointed to.
Re: Resampling
Posted: Sun Jan 16, 2005 10:27 pm
by Lasse
I did some resample-examples by myself!
See it here:
http://www.lassekolb.info/gim30_vergleich.htm (2.4 MB, Description in German)
Some more examples (other images, shrinking) will follow.
Regards,
Lasse
Re: Resampling
Posted: Mon Jan 17, 2005 6:50 am
by helmut
Lasse,
Lasse wrote:I did some resample-examples by myself!
thank you for testing this and providing this info to other people!
The important bit of your tests is that you do
Upsizing, which means enlarging an existing image. The algorithms will surely do that, but for all I know they work better for downsizing. When
downsizing (making the image smaller) the results may differ and I think that Lanczos should be one of the best, then.
Greetings, Helmut
Re: Resampling
Posted: Fri Sep 13, 2019 6:48 pm
by wfa
Can any one update the link? Thanks
Re: Resampling
Posted: Fri Sep 13, 2019 8:30 pm
by XnTriq
wfa wrote: Fri Sep 13, 2019 6:48 pmCan any one update the link? Thanks
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