Phong Splatting (English)

In: Symposium on Point - Based Graphics   ;  25-32  ;  2004

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Surface splatting has developed into a valuable alternative to triangle meshes when it comes to rendering of highly detailed massive datasets. However, even highly accurate splat approximations of the given geometry may sometimes not provide a sufficient rendering quality since surface lighting mostly depends on normal vectors whose deviation is not bounded by the Hausdorff approximation error. Moreover, current point-based rendering systems usually associate a constant normal vector with each splat, leading to rendering results which are comparable to flat or Gouraud shading for polygon meshes. In contrast, we propose to base the lighting of a splat on a linearly varying normal field associated with it, and we show that the resulting Phong Splats provide a visual quality which is far superior to existing approaches. We present a simple and effective way to construct a Phong splat representation for a given set of input samples. Our surface splatting system is implemented completely based on vertex and pixel shaders of current GPUs and achieves a splat rate of up to 4M Phong shaded, filtered, and blended splats per second. In contrast to previous work, our scan conversion is projectively correct per pixel, leading to more accurate visualization and clipping at sharp features.

Table of contents conference proceedings

The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

Multi-Resolution Sound Rendering
Wand, M. / Straßer, W. | 2004
Interactive Silhouette Rendering for Point-Based Models
Xu, Hui / Nguyen, Minh X. / Yuan, Xiaoru / Chen, Baoquan | 2004
Boolean Operations on Surfel-Bounded Solids Using Programmable Graphics Hardware
Adams, Bart / Dutré, Philip | 2004
Phong Splatting
Botsch, Mario / Spernat, Michael / Kobbelt, Leif | 2004
Point-based Surface Rendering with Motion Blur
Guan, Xin / Mueller, Klaus | 2004
Real-Time Point Cloud Refinement
Guennebaud, G. / Barthe, L. / Paulin, M. | 2004
Stratified Point Sampling of 3D Models
Nehab, Diego / Shilane, Philip | 2004
Interactive 3D Painting on Point-Sampled Objects
Adams, Bart / Wicke, Martin / Dutré, Philip / Gross, Markus / Pauly, Mark / Teschner, Matthias | 2004
Interactive Point-Based Modeling from Dense Color and Sparse Depth
Popescu, Voicu / Sacks, Elisha / Bahmutov, Gleb | 2004
Uncertainty and Variability in Point Cloud Surface Data
Pauly, Mark / Mitra, Niloy J. / Guibas, Leonidas J. | 2004
Post-processing of Scanned 3D Surface Data
Weyrich, T. / Pauly, M. / Keiser, R. / Heinzle, S. / Scandella, S. / Gross, M. | 2004
Progressive Compression of Point-Sampled Models
Waschbüsch, M. / Gross, M. / Eberhard, F. / Lamboray, E. / Würmlin, S. | 2004
Compression of Point-Based 3D Models by Shape-Adaptive Wavelet Coding of Multi-Height Fields
Ochotta, Tilo / Saupe, Dietmar | 2004
Layered Point Clouds
Gobbetti, Enrico / Marton, Fabio | 2004
Points Reloaded: Point-Based Rendering Revisited
Sainz, Miguel / Pajarola, Renato / Lario, Roberto | 2004
Proximity Graphs for Defining Surfaces over Point Clouds
Klein, Jan / Zachmann, Gabriel | 2004
The Domain of a Point Set Surface
Amenta, Nina / Kil, Yong J. | 2004
On Normals and Projection Operators for Surfaces Defined by Point Sets
Alexa, Marc / Adamson, Anders | 2004
Topological estimation using witness complexes
Silva, Vin de / Carlsson, Gunnar | 2004
Bounds on the k-Neighborhood for Locally Uniformly Sampled Surfaces
Andersson, Mattias / Giesen, Joachim / Pauly, Mark / Speckmann, Bettina | 2004
Meshing Point Clouds Using Spherical Parameterization
Zwicker, M. / Gotsman, C. | 2004
A Barcode Shape Descriptor for Curve Point Cloud Data
Collins, Anne / Zomorodian, Afra / Carlsson, Gunnar / Guibas, Leonidas | 2004
Shape Segmentation and Matching from Noisy Point Clouds
Dey, Tamal K. / Giesen, Joachim / Goswami, Samrat | 2004
Finite Elements on Point Based Surfaces
Clarenz, U. / Rumpf, M. / Telea, A. | 2004