Special Section: Point-Based Graphics: Efficient image reconstruction for point-based and line-based rendering

  • Authors:
  • Ricardo Marroquim;Martin Kraus;Paulo Roma Cavalcanti

  • Affiliations:
  • COPPE-Sistemas, Universidade Federal do Rio de Janeiro, Cidade Universitária-Ilha do Fundão, Caixa Postal 68530, CEP 21945-970, Rio de Janeiro, RJ, Brazil;Computer Graphics and Visualization Group, Technische Universität München, Boltzmannstrasse 3, 85748 Garching, Germany;COPPE-Sistemas, Universidade Federal do Rio de Janeiro, Cidade Universitária-Ilha do Fundão, Caixa Postal 68530, CEP 21945-970, Rio de Janeiro, RJ, Brazil

  • Venue:
  • Computers and Graphics
  • Year:
  • 2008

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Abstract

We address the problem of an efficient image-space reconstruction of adaptively sampled scenes in the context of point-based and line-based graphics. The image-space reconstruction offers an advantageous time complexity compared to surface splatting techniques and, in fact, our improved GPU implementation performs significantly better than splatting implementations for large point-based models. We discuss the integration of elliptical Gaussian weights for enhanced image quality and generalize the image-space reconstruction to line segments. Furthermore, we present solutions for the efficient combination of points, lines, and polygons in a single image.