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Point-Based Impostors for Real-Time Visualization

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Book cover Rendering Techniques 2001 (EGSR 2001)

Part of the book series: Eurographics ((EUROGRAPH))

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Abstract

We present a new data structure for encoding the appearance of a geometric model as seen from a viewing region (view cell). This representation can be used in interactive or real-time visualization applications to replace a complex model by an impostor, maintaining high quality rendering while cutting down rendering time. Our approach relies on an object-space sampled representation similar to a point cloud or a layered depth image, but introduces two fundamental additions to previous techniques. First, the sampling rate is controlled to provide sufficient density across all possible viewing conditions from the specified view cell. Second, a correct, antialiased representation of the plenoptic function is computed using Monte Carlo integration. Our system therefore achieves high quality rendering using a simple representation with bounded complexity. We demonstrate the method for an application in urban visualization.

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Author information

Authors and Affiliations

  1. iMAGIS - GRAVIR/IMAG-INRIA, Vienna University of Technology, Austria

    Michael Wimmer, Peter Wonka & François Sillion

Authors
  1. Michael Wimmer
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  2. Peter Wonka
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  3. François Sillion
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Editor information

Editors and Affiliations

  1. Institute of Computer Science, Harvard University, Cambridge, Mass., USA

    Steven J. Gortler

  2. Max-Planck-Institut für Informatik, Saarbrücken, Germany

    Karol Myszkowski

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© 2001 Springer-Verlag Wien

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Wimmer, M., Wonka, P., Sillion, F. (2001). Point-Based Impostors for Real-Time Visualization. In: Gortler, S.J., Myszkowski, K. (eds) Rendering Techniques 2001. EGSR 2001. Eurographics. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6242-2_15

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  • DOI: https://doi.org/10.1007/978-3-7091-6242-2_15

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  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-83709-2

  • Online ISBN: 978-3-7091-6242-2

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