On Tue, Dec 28, 2010 at 7:54 AM, Anthony <o...@inbox.org> wrote: > On Tue, Dec 28, 2010 at 3:59 AM, Milo van der Linden <m...@dogodigi.net> > wrote: >>> >>> It would be interesting to have editor support for estimating the building >>> height depending on that displacement, or depending on the extent of the >>> shadow - that would have to be calibrated for each imagery and location of >>> course but so does the displacement of the whole image, and we're seeing >>> people working on the latter... >>> >> >> This will result in a very rough estimate. Estimating height from >> displacement is only possible if you have stereo-photo's with at least >> 60% overlap or when you know every photograhic detail like focal >> length, photo-centerpoint and so on. You cannot accuratly estimate >> height from displacement in constructed mosaics. > > What about LIDAR? Does LIDAR capture building heights, or only > heights of green areas? > I guess someone already thought of this enough to write a paper (Correction of Building Height Effect Using LIDAR and GPS): http://www.springerlink.com/content/2ec84ckpcf2gnt67/
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