Resampling Feature and Blend Regions in Polygonal Meshes for Surface Anti-Aliasing

by: Mario Botsch, Leif Kobbelt (Computer Graphics Group, RWTH-Aachen) 14 Apr 2007 | 817 views
Year: 2001 | Document Type: PAPER | File Format: pdf | Language: uk
Resampling Feature and Blend Regions in Polygonal Meshes for Surface Anti-Aliasing
EUROGRAPHICS 2001 - Volume 20 (2001), Number 3.

Abstract/Summary

Efficient surface reconstruction and reverse engineering techniques are usually based on a polygonal mesh representation of the geometry: the resulting models emerge from piecewise linear interpolation of a set of sample points.

The quality of the reconstruction not only depends on the number and density of the sample points but also on their alignment to sharp and rounded features of the original geometry.

Bad alignment can lead to severe alias artifacts. In this paper we present a sampling pattern for feature and blend regions which minimizes these alias errors.

We show how to improve the quality of a given polygonal mesh model by resampling its feature and blend regions within an interactive framework. We further demonstrate sophisticated modeling operations that can be implemented based on this resampling technique.

(Source: Computer Graphics Laboratory, ETH Zurich.)

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