Sciweavers

CGF
1998
73views more  CGF 1998»
13 years 11 months ago
Using Wavefront Tracing for the Visualization and Optimization of Progressive Lenses
Progressive addition lenses are a relatively new approach to compensate for defects of the human visual system. While traditional spectacles use rotationally symmetric lenses, pro...
Joachim Loos, Philipp Slusallek, Hans-Peter Seidel
CGF
1998
121views more  CGF 1998»
13 years 11 months ago
Emotion Editing using Finite Elements
This paper describes the prototype of a facial expression editor. In contrast to existing systems the presented editor takes advantage of both medical data for the simulation and ...
Rolf M. Koch, Markus H. Gross, Albert Bosshard
CGF
1998
101views more  CGF 1998»
13 years 11 months ago
Rapid and Accurate Contact Determination between Spline Models using ShellTrees
In this paper, we present an e cient algorithm for contact determination between spline models. We make use of a new hierarchy, called ShellTree, that comprises of spherical shell...
Shankar Krishnan, M. Gopi, Ming C. Lin, Dinesh Man...
CGF
1998
118views more  CGF 1998»
13 years 11 months ago
An Exhaustive Error-Bounding Algorithm for Hierarchical Radiosity
This paper presents a complete algorithm for the evaluation and control of error in radiosity calculations. Providing such control is both extremely important for industrial appli...
Nicolas Holzschuch, François X. Sillion
CGF
1998
110views more  CGF 1998»
13 years 11 months ago
Adaptive Supersampling in Object Space Using Pyramidal Rays
We introduce a new approach to three important problems in ray tracing: antialiasing, distributed light sources, and fuzzy reflections of lights and other surfaces. For antialias...
Jon D. Genetti, Dan Gordon, G. Williams
CGF
1998
142views more  CGF 1998»
13 years 11 months ago
Tree Visualisation and Navigation Clues for Information Visualisation
Information visualisation often requires good navigation aids on large trees, which represent the underlying information. Using trees for information visualisation requires novel ...
Ivan Herman, Maylis Delest, Guy Melançon
CGF
1998
104views more  CGF 1998»
13 years 11 months ago
Animation of Biological Organ Growth Based on L-systems
In contrast with the growth of plants and trees, human organs can undergo signi cant changes in shape through a variety of global transformations during the growth period, such as...
Roman Durikovic, Kazufumi Kaneda, Hideo Yamashita
CGF
1998
134views more  CGF 1998»
13 years 11 months ago
Progressive Iso-Surface Extraction from Hierarchical 3D Meshes
A multiresolution data decomposition offers a fundamental framework supporting compression, progressive transmission, and level-of-detail (LOD) control for large two or three dime...
Wenli Cai, Georgios Sakas, Roberto Grosso, Thomas ...
CGF
1998
65views more  CGF 1998»
13 years 11 months ago
Space Discretization for Efficient Human Navigation
Srikanth Bandi, Daniel Thalmann