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» A space efficient algorithm for group structure computation
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SMA
2008
ACM
182views Solid Modeling» more  SMA 2008»
15 years 3 months ago
Voronoi diagram computations for planar NURBS curves
We present robust and efficient algorithms for computing Voronoi diagrams of planar freeform curves. Boundaries of the Voronoi diagram consist of portions of the bisector curves b...
Joon-Kyung Seong, Elaine Cohen, Gershon Elber
PC
2002
118views Management» more  PC 2002»
15 years 2 months ago
Parallel algorithms for indefinite linear systems
Saddle-point problems give rise to indefinite linear systems that are challenging to solve via iterative methods. This paper surveys two recent techniques for solving such problem...
Ahmed H. Sameh, Vivek Sarin
CVPR
2006
IEEE
15 years 9 months ago
Nonlinear Mean Shift for Clustering over Analytic Manifolds
The mean shift algorithm is widely applied for nonparametric clustering in Euclidean spaces. Recently, mean shift was generalized for clustering on matrix Lie groups. We further e...
Raghav Subbarao, Peter Meer
KDD
2003
ACM
195views Data Mining» more  KDD 2003»
16 years 3 months ago
Visualizing changes in the structure of data for exploratory feature selection
Using visualization techniques to explore and understand high-dimensional data is an efficient way to combine human intelligence with the immense brute force computation power ava...
Elias Pampalk, Werner Goebl, Gerhard Widmer
ICMCS
2005
IEEE
143views Multimedia» more  ICMCS 2005»
15 years 8 months ago
Dynamic Gop Structure Determination for Real-Time MPEG-4 Advanced Simple Profile Video Encoder
MPEG-4 Advanced Simple Profile video provides I, P, and B –type frames in each GOP (Group Of Pictures). To maximize the coding efficiency, it is important to determine the distr...
Yu-Lin Wang, Jing-Xin Wang, Yen-Wen Lai, Alvin Wen...