Hello everyone,
This post makes me ask a question that's been bugging me for quite
some time. I used to use autopano SIFT C for generating control points
earlier by feeding it all the images at one time. But some time later
i started sending two images at a time to the keypoint matcher with
almost the same results. From my understanding, the matcher forms a
tree of all the keypoints and uses an algorithm to find the nearest
match for each such keypoint from within the tree. It matches not only
adjacent images but images removed from each other too.

Which is the best approach? Is there really a need to match images
which are not adjacent for good quality panoramas?

Cheers,
Siddharth

On Aug 16, 12:06 pm, Andreas Metzler <[email protected]>
wrote:
> Dale Beams <[email protected]> wrote:
>
> [...]
>
>
>
> > good match == green bar
> >http://www.tatteredmoons.org/hugin/screenshots/Screenshot-3.png
> > alignment shows 2.3 good fit
> >http://www.tatteredmoons.org/hugin/screenshots/Screenshot-4.png
> > result
> >http://www.tatteredmoons.org/hugin/screenshots/Screenshot-5.png
> > optimization error of 5000+
> >http://www.tatteredmoons.org/hugin/screenshots/Screenshot-6.png
> > As you can tell, after the optimization, things went haywire.
> [...]
> >http://www.tatteredmoons.org/hugin/test/test.html
>
> Because of the symmetry/similarity autopano-sift-c finds wrong
> control points, you just have to help it. Remove the wrong
> control-points (all points betweem 1.JPG-5.JPG, 1.JPG-6.JPG,
> 2.JPG-4.JPG, etc.) and the stitch works perfectly fine.
>
> cu andreas
> --
> `What a good friend you are to him, Dr. Maturin. His other friends are
> so grateful to you.'
> `I sew his ears on from time to time, sure'

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