Hi Miltinho, You could also try a software called regimy (or some other spelling). If I recall correctly, it was developed by some guys at inpe and it finds matching control points between a set of images. We have been using it for some old landsat images.
Cheers Daniel On Jun 17, 2013 2:35 PM, "miltinhoastronauta ." < [email protected]> wrote: > WAW!!! Great suggestions, let try it! > > [ ]s > > milton > > 2013/6/16, Nikos Alexandris <[email protected]>: > > Markus Neteler wrote: > >> > The easiest thing might be to use a SIFT algorithm in order to find > the > >> > GCPs automatically. Then use those as an input for i.rectify or > >> > similar. > >> > SIFT is used by Hugin for example. > > > >> > I used "autopano-sift-C" for a similar task (Fedora, rpmfusion-free > >> > repository). > > > > Hamish wrote: > >> link: > >> http://grasswiki.osgeo.org/wiki/Stereoscopic_analysis#See_also > > > > Really nice! Thank you, N > > > > > -- > Miltinho - [email protected] > Laboratório de Ecologia Espacial e Conservação - LEEC > Depto de Ecologia - UNESP - Rio Claro > Av. 24A, 1515- Bela Vista > 13506-900 Rio Claro, SP, Brasil > > Fone: +55 19 3526-9647 (office) 19 3526-9680 (lab) > Cel: 19 9853-3220 / 19 9853-5430 > > Depto Ecologia http://www.rc.unesp.br/ib/ecologia/ > > PG ECO & BIODIV > http://www.rc.unesp.br/ib/ecologia/posbiodiversidade/index.php > > CV > http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4792988H6&mostrarNroCitacoesISI=true&mostrarNroCitacoesScopus=true > > Google citations http://scholar.google.com/citations?user=OWX_2eAAAAAJ > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user >
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