On Mon, Jul 18, 2011 at 22:01, Michael Scherer <m...@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/