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CORR
2008
Springer
92views Education» more  CORR 2008»
15 years 3 months ago
Nonnegative Matrix Factorization via Rank-One Downdate
Nonnegative matrix factorization (NMF) was popularized as a tool for data mining by Lee and Seung in 1999. NMF attempts to approximate a matrix with nonnegative entries by a produ...
Michael Biggs, Ali Ghodsi, Stephen A. Vavasis
FMSD
2006
104views more  FMSD 2006»
15 years 3 months ago
Some ways to reduce the space dimension in polyhedra computations
Convex polyhedra are often used to approximate sets of states of programs involving numerical variables. The manipulation of convex polyhedra relies on the so-called double descri...
Nicolas Halbwachs, David Merchat, Laure Gonnord
IJRR
2008
115views more  IJRR 2008»
15 years 3 months ago
Planning High-quality Paths and Corridors Amidst Obstacles
The motion-planning problem, involving the computation of a collision-free path for a moving entity amidst obstacles, is a central problem in fields like Robotics and Game Design....
Ron Wein, Jur P. van den Berg, Dan Halperin
JMLR
2008
110views more  JMLR 2008»
15 years 3 months ago
Cross-Validation Optimization for Large Scale Structured Classification Kernel Methods
We propose a highly efficient framework for penalized likelihood kernel methods applied to multiclass models with a large, structured set of classes. As opposed to many previous a...
Matthias W. Seeger
PAMI
2008
132views more  PAMI 2008»
15 years 3 months ago
Trajectory Association across Multiple Airborne Cameras
A camera mounted on an aerial vehicle provides an excellent means to monitor large areas of a scene. Utilizing several such cameras on different aerial vehicles allows further flex...
Yaser Sheikh, Mubarak Shah