On Mon, Jul 18, 2011 at 22:01, Michael Scherer <misc@zarb.org> wrote:
Le mardi 19 juillet 2011 à 02:04 +0200, Philippe DIDIER a écrit :
> It's in the title !
> The use of the Scale Invariant Feature Transform (SIFT) algorythm
> allowing to find control points to build panorama with several pictures
> is restricted by a US patent... this algorythm is the basis of
> autopano-sift and autopano-sift-C !
>
> hugin (a pano builder program) brings some patents problems with some of
> its  tools : this one is an optional tool, and we can use hugin without
> it... mostly since 2010.4 version of hugin which ships its own patent
> free control point generator which is quite as good as autopano ;)
>
>
> the other rpm bringing patent problem is libpano13 (required by hugin) :
> two versions exist yet for mageia:
> - one in core repository with a limited field of view (160°) and giving
> this limit to hugin (no patent problem though !)
> - one in tainted repository  without limitation (but infringing US and
> Japan patents) allowing to build 360° panorama

What are the patents number ?

I was under the impression that http://www.google.com/patents?vid=6711293 is related to it, but I am not sure.

--
Eugeni Dodonov
http://eugeni.dodonov.net/