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» Adaptive Bound Optimization for Online Convex Optimization
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UAI
2004
14 years 3 days ago
Variational Chernoff Bounds for Graphical Models
Recent research has made significant progress on the problem of bounding log partition functions for exponential family graphical models. Such bounds have associated dual paramete...
Pradeep D. Ravikumar, John D. Lafferty
ICCV
2009
IEEE
15 years 3 months ago
Joint optimization of segmentation and appearance models
Many interactive image segmentation approaches use an objective function which includes appearance models as an unknown variable. Since the resulting optimization problem is NP-har...
Sara Vicente, Vladimir Kolmogorov, Carsten Rother
WIOPT
2011
IEEE
13 years 2 months ago
Open loop optimal control of base station activation for green networks
Abstract—In recent years there has been an increasing awareness that the deployment as well as utilization of new information technology may have some negative ecological impact....
Sreenath Ramanath, Veeraruna Kavitha, Eitan Altman
TWC
2010
13 years 5 months ago
Optimized Training Sequences for Spatially Correlated MIMO-OFDM
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
Hoang Duong Tuan, Ha Hoang Kha, Ha H. Nguyen, Viet...
VISUALIZATION
1997
IEEE
14 years 2 months ago
ROAMing terrain: real-time optimally adapting meshes
Terrain visualization is a difficult problem for applications requiring accurate images of large datasets at high frame rates, such as flight simulation and ground-based aircraf...
Mark A. Duchaineau, Murray Wolinsky, David E. Sige...