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APVIS
2010
14 years 10 days ago
Volume exploration using ellipsoidal Gaussian transfer functions
This paper presents an interactive transfer function design tool based on ellipsoidal Gaussian transfer functions (ETFs). Our approach explores volumetric features in the statisti...
Yunhai Wang, Wei Chen, Guihua Shan, Tingxin Dong, ...
CGF
2006
120views more  CGF 2006»
13 years 11 months ago
Enhancing the Interactive Visualization of Procedurally Encoded Multifield Data with Ellipsoidal Basis Functions
Functional approximation of scattered data is a popular technique for compactly representing various types of datasets in computer graphics, including surface, volume, and vector ...
Yun Jang, Ralf P. Botchen, Andreas Lauser, David S...
VIS
2003
IEEE
169views Visualization» more  VIS 2003»
15 years 3 days ago
Gaussian Transfer Functions for Multi-Field Volume Visualization
Volume rendering is a flexible technique for visualizing dense 3D volumetric datasets. A central element of volume rendering is the conversion between data values and observable q...
Aaron E. Lefohn, Charles D. Hansen, Emil Praun, Jo...
VIS
2008
IEEE
120views Visualization» more  VIS 2008»
15 years 4 days ago
Size-based Transfer Functions: A New Volume Exploration Technique
The visualization of complex 3D images remains a challenge, a fact that is magnified by the difficulty to classify or segment volume data. In this paper, we introduce size-based tr...
Carlos D. Correa, Kwan-Liu Ma
SIBGRAPI
2005
IEEE
14 years 4 months ago
Two-Level Interaction Approach for Transfer Function Specification
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...
João Luis Prauchner, Carla M. D. S. Freitas...