Large-scale, dense city reconstruction from user-contributed photos

  • Authors:
  • Arnold Irschara;Christopher Zach;Manfred Klopschitz;Horst Bischof

  • Affiliations:
  • Institute for Computer Graphics and Vision, Graz University of Technology, Austria;Computer Vision and Geometry Group, ETH Zürich, Switzerland;Institute for Computer Graphics and Vision, Graz University of Technology, Austria;Institute for Computer Graphics and Vision, Graz University of Technology, Austria

  • Venue:
  • Computer Vision and Image Understanding
  • Year:
  • 2012

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Abstract

The goal of our work is to incrementally reconstruct terrestrial city models from standard digital camera images contributed by multiple users. Hence, the Wiki principle well known from textual knowledge databases is transferred to 3D computer vision. Many state-of-the-art computer vision methods must be applied and modified according to the changing requirements. We describe the utilized 3D vision methods in detail and show results obtained from the current image databases Vienna and Graz acquired by in-house participants. The reconstructions are all maintained in a global database and comprise thousands of photographs.