VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
The physical interpretation of mathematical features of tensor fields is highly application-specific. Existing visualization methods for tensor fields only cover a fraction of the...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
We present a novel multiscale approach for flow visualization. We define a local alignment tensor that encodes a measure for alignment to the direction of a given flow field. This...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
In this paper, we present an approach for monitoring the positions of vector field singularities in time-dependent datasets. The concept of singularity index is discussed and exte...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
Typically there is a high coherence in data values between neighboring time steps in an iterative scientific software simulation; this characteristic similarly contributes to a co...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
Recent activity within the UK National e-Science Programme has identified a need to establish an ontology for visualization. Motivation for this includes defining web and grid ser...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
The purpose of visualization is not just to depict data, but to gain or present insight into the domain represented in data. However in visualization systems, this link between fe...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
In this paper we derive piecewise linear and piecewise cubic box spline reconstruction filters for data sampled on the body centered cubic (BCC) lattice. We analytically derive a ...
VIS
2004
IEEE
14 years 5 months ago
2004
IEEE
Accurate estimation of vessel parameters is a prerequisite for automated visualization and analysis of healthy and diseased blood vessels. The objective of this research is to est...