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» Quadtrees for Embedded Surface Visualization: Constraints an...
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ICIP
1999
IEEE
15 years 12 days ago
Quadtrees for Embedded Surface Visualization: Constraints and Efficient Data Structures
The quadtree data structure is widely used in digital image processing and computer graphics for modeling spatial segmentation of images and surfaces. A quadtree is a tree in whic...
Laurent Balmelli, Jelena Kovacevic, Martin Vetterl...
DBSEC
2000
153views Database» more  DBSEC 2000»
14 years 5 days ago
Protecting Privacy from Continuous High-resolution Satellite Surveillance
Privacy refers to controlling the dissemination and use of personal data, including information that is knowingly disclosed, as well as data that are unintentionally revealed as a ...
Soon Ae Chun, Vijayalakshmi Atluri
TVCG
2010
157views more  TVCG 2010»
13 years 9 months ago
Crease Surfaces: From Theory to Extraction and Application to Diffusion Tensor MRI
—Crease surfaces are two-dimensional manifolds along which a scalar field assumes a local maximum (ridge) or a local minimum (valley) in a constrained space. Unlike isosurfaces, ...
Thomas Schultz, Holger Theisel, Hans-Peter Seidel
VISUALIZATION
1998
IEEE
14 years 3 months ago
Interpolation of triangle hierarchies
We consider interpolation between keyframe hierarchies. We impose a set of weak constraints that allows smooth interpolation between two keyframe hierarchies in an animation or, m...
Axel Friedrich, Konrad Polthier, Markus Schmies