The only problem I see with using Hugin is the lack of orthorectification. I suppose you must assume planar images. I hope there will arrive enough fundings to bring bundle adjustment development on...
giovanni Milton wrote: > I have a large number of images that was taken using a camera in the > top of a 15 m tall tower. Now I need to align or spatially > synchronize them using same automated solution, because it is not > feasible one by one (I have 18,000 photos). Any hint are welcome. > best wishes (I'll second the recommendation for Hugin, it's great) http://hugin.sourceforge.net/ http://hugin.sourceforge.net/docs/manual/Autopano-sift.html Stefan: > If I understood you correctly, I think we are facing similar > challenges, because we are planning to test our wildlife foto traps > in a remote sensing context where we need to have a proper > georeference for each image. > > I assume all your images are equal, means they cover the same surface > on the ground and are taken from the same angle and with the same > camera? > > Because of other obligations we have not really started the work yet, > but we consider two alternative solutions: A full GRASS based > ortorectification: http://gis.cri.fmach.it/uploads/CAGEO_2011.pdf > (for this one I have to talk to our camera operator that he provides > the necessary information on fiducial marks, and necessary camera > parameters, not sure if we can make it work) Or (more "quick and > dirty") using ground control points in gdalwarp > (http://www.gdal.org/gdalwarp.html). Probably, you may have to add > the GCPs to the image using gdal_translate (then VRT is a recommended > output format) in advance to gdalwarp. you may be interested in this earlier work, I seem to recall there was a FOSS4G presentation/proceedings about it too some years ago too (does a picture from a hill looking down on a dock with a Lake beyond jog the memory of anyone?). http://grass.osgeo.org/gdp/stereo-grass/index.html http://grasswiki.osgeo.org/wiki/Image_processing#Stereo_ideas http://grasswiki.osgeo.org/wiki/Orthorectification_digital_camera regards, Hamish _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
