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I'm looking for a software solution that can process large areas of imagery to produce building footprints.

For the area of interest, I can source either satellite stereo pairs or oblique imagery. I would like to output vector data of the building footprints, but it need not be highly detailed (rough polygons are fine), nor highly accurate (not all structures need to be recognized)

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2 Answers

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Opticks Image Segmentation

Opticks is an open source Imagery Analysis Software. It will perform segmentation on an image and save the results to a Shapefile. The link has a short segmentation tutorial. The software runs on Windows 32/64, Linux and Solaris.

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We have done this with Trimble eCognition (http://www.ecognition.com/), but as far as I know - I haven't done this myself - it is:

  1. incredibly expensive
  2. not as accurate as we needed it
  3. not really straight forward to get this working
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