Efficient warping for architectural walkthroughs using layered depth images

  title={Efficient warping for architectural walkthroughs using layered depth images},
  author={Voicu Popescu and Anselmo Lastra and Daniel G. Aliaga and Manuel Menezes de Oliveira Neto},
  booktitle={IEEE Visualization},
This paper presents efficient image-based rendering techniques used in the context of an architectural walkthrough system. Portals (doors and windows) are rendered by warping layered depth images (LDIs). In a preprocessing phase, for every portal, a number of pre-rendered images are combined into a LDI. The resulting LDI stores, exactly once, all surfaces visible in at least one of the images used in the construction, so most of the exposure errors are efficiently eliminated. The LDI can be… CONTINUE READING
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Increasing Update Rates in the Building Walkthrough System with Automatic Model-Space Subdivision

  • John Airey
  • Ph.D. Dissertation, University of North Carolina…
  • 1990
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