PanoTools mailing list archive
|Date/Time:||Tue, 21 Feb 2006 16:08:45 +0100|
|Subject:||Re: PTGui 5.7 - how to use the antialiasing filters ?|
On Tuesday, February 21, 2006 at 9:20, Joost Nieuwenhuijse wrote:
> > If I understand right anti-aliasing can be performed as blurring of
> > the source image. Isn't this advisable only in areas where
> > downsampling is performed? Depending on remapping there can be areas
> > with downsampling and with upsampling in the same image...
> You are correct, that's why Thomas' approach is the best in theory. But
> I think in practise, the difference in pixel density is not that large
> and the PTGui interpolators should give fine results.
Given a simple perspective correction - image tilted down several
degrees so it gets blown up in the lower half and compressed in the
upper half. How would PTGui react?
> But feel free to try it yourself, of course..
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