Hello, i dont know if this has been pointed out before but,
i found this cool turorial of how to make a 3d scan using an opensource program called Python Photogrammetry Toolbox and Meshlab
and on the same webpage there is an article about using blender tracking system to generate the point cloud and ppt, meshlab for the meshing/texturing
i think is reaally cool
by the way, i just thought that for higher resolution texturing than a video we could make an stop motion animation using higher resolution photos in a travelling, perhaps a good way to do this (for small objects) is using a table dolly with a magic arm over a flat surface, (here is an ebay link to what i mean (i´m in no way related to the seller, just an example)), i believe that the camera is the one that should move and not the object (rotating the object in front of a tripod), because of the lighting changes and the background tracking.
so i believe, the question arises, ppt is opensource, (so is meshlab), so perhaps it can be integrated into blender, even though i dont mind using both softwares, it is most definately a cool feature to have