VISUALIZATION
2005
IEEE
14 years 5 months ago
2005
IEEE
We describe a new dynamic level-of-detail (LOD) technique that allows real-time rendering of large tetrahedral meshes. Unlike approaches that require hierarchies of tetrahedra, ou...
VISUALIZATION
2005
IEEE
14 years 5 months ago
2005
IEEE
In this paper, we present two novel texture-based techniques to visualize uncertainty in time-dependent 2D flow fields. Both methods use semi-Lagrangian texture advection to sho...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Graph sub-isomorphism is a very common approach to solving pattern search problems, but this is a NP-complete problem. This way, it is necessary to invest in research of approxima...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
A critical issue of applying Linear Discriminant Analysis (LDA) is both the singularity and instability of the within-class scatter matrix. In practice, particularly in image recog...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Direct volume rendering techniques are used to visualize and explore large scalar volumes. Transfer functions (TFs) that assign opacity and color to scalar values are very importa...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Shading for cel animation based on images is a recent research topic in computer-assisted animation. This paper proposes an image-based shading pipeline to give a 3D appearance to...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Point-based modeling and rendering is an active area of research in Computer Graphics. The concept of points with attributes (e.g. normals) is usually referred to as surfels, and ...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Mathematical morphology was originally conceived as a set theoretic approach for the processing of binary images. Approaches that extend classical binary morphology to gray-scale ...
SIBGRAPI
2005
IEEE
14 years 5 months ago
2005
IEEE
Despite the efficacy of minutia-based fingerprint matching techniques for good-quality images captured by optical sensors, minutia-based techniques do not often perform so well on...