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Stratified Point Sampling of 3D Models

Eurographics Symposium on Point-Based Graphics, June 2004

Diego Nehab, Philip Shilane

Point sampling is an important intermediate step for a variety of computer graphics applications, and specialized sampling strategies have been developed to satisfy the requirements of each problem. In this article, we present a technique to generate a stratified sampling of 3D models that is applicable across many domains. The algorithm voxelizes the model and selects one sample per voxel, restricted to the original model's surface. Parameters allow control of the uniformity of the sample placement and the minimum distance between samples. We demonstrate the effectiveness of this technique in selecting stroke locations for painterly rendering models and for producing sampled geometry used as input to shape descriptors.

Diego Nehab and Philip Shilane.
"Stratified Point Sampling of 3D Models."
Eurographics Symposium on Point-Based Graphics, pp. 49-56, June 2004.


   author = "Diego Nehab and Philip Shilane",
   title = "Stratified Point Sampling of {3D} Models",
   booktitle = "Eurographics Symposium on Point-Based Graphics",
   year = "2004",
   month = jun,
   pages = "49--56"