Fwd: Re: [ptx] hmmm... are there any in-depth explanations of the hugin optimizations?

[douglas wilkins]

I really don't like web interfaces ...

--- douglas wilkins <dgswilkins at yahoo.co.uk> wrote:
> Date: Sat, 23 Apr 2005 08:40:35 +0100 (BST)
> From: douglas wilkins <dgswilkins at yahoo.co.uk>
> Subject: Re: [ptx] hmmm... are there any in-depth
> explanations of the hugin optimizations?
> To: Rob Park <rbpark at gmail.com>
> 
> 
> --- Rob Park <rbpark at gmail.com> wrote:
> > So I'm working on updating my tutorial... I went
> out
> > and took a quick
> > panorama of a local park... but I'd been having a
> > hell of a time
> > getting it to stitch right...
> > 
> > I couldn't figure out what the problem was. There
> > were horrible stitch
> > lines, buildings split in half, etc. My first
> > instinct was that
> > autopano was generating bad control points but I
> > looked them over
> > meticulously and they all seemed to be exactly
> > correct in the
> > images... then I played with different
> > optimisations, and the images
> > just would not line up at all... until I did the
> > "optimise for barrell
> > distortion", suddenly everything is lining up
> > nicely. I've never used
> > this one optimization before, I'm not sure what
> > barell distortion is
> > (though this is the second panorama I've made with
> > my new camera, so
> > perhaps this camera has more barell distortion
> than
> > my last one did?).
> 
> Quite probably :-(
> 
> > 
> > So is there an in-depth explanation of the various
> > hugin optimisations
> > available? At the very least I'd like to
> understand
> > them more, and I'd
> > like to link to it from my tutorial when it's
> done.
> 
> Take a look at Thomas Niemans site:
> http://epaperpress.com/pano/index.html
> 
> Specifically at "Calibration/Lens distortion" and at
> "Plugin Reference/Correct/Radial Shift"
> 
> The rest of the site is pretty informative too :-)
> 
> It might also be worth looking at the original
> panotools site:
> 
>
http://www.path.unimelb.edu.au/~dersch/barrel/barrel.html
> 
> regards,
> Doug
> 
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