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» On Approximation Algorithms for Hierarchical MAX-SAT
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ICIP
2007
IEEE
16 years 1 months ago
Total Variation Image Restoration and Parameter Estimation using Variational Posterior Distribution Approximation
In this paper we propose novel algorithms for total variation (TV) based image restoration and parameter estimation utilizing variational distribution approximations. By following...
S. Derin Babacan, Rafael Molina, Aggelos K. Katsag...
93
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CGI
1998
IEEE
15 years 4 months ago
Hierarchical Decomposition of Datasets on Irregular Surface Meshes
In this paper we introduce multiresolution analysis (MRA) algorithmsintendedto be used in scientific visualization,and basedon a non-nestedset ofapproximatingspaces. The need for ...
Georges-Pierre Bonneau, Alexandre Gerussi
CIKM
2006
Springer
15 years 3 months ago
Amnesic online synopses for moving objects
We present a hierarchical tree structure for online maintenance of time-decaying synopses over streaming data. We exemplify such an amnesic behavior over streams of locations take...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...
CGF
1998
134views more  CGF 1998»
14 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 ...
VISUALIZATION
2002
IEEE
15 years 4 months ago
Horizon Occlusion Culling for Real-time Rendering of Hierarchical Terrains
We present a technique to perform occlusion culling for hierarchical terrains at run-time. The algorithm is simple to implement and requires minimal pre-processing and additional ...
Brandon Lloyd, Parris K. Egbert