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CVPR
2005
IEEE
14 years 10 months ago
Corrected Laplacians: Closer Cuts and Segmentation with Shape Priors
We optimize over the set of corrected laplacians (CL) associated with a weighted graph to improve the average case normalized cut (NCut) of a graph. Unlike edge-relaxation SDPs, o...
David Tolliver, Gary L. Miller, Robert T. Collins
ICML
2009
IEEE
14 years 9 months ago
Learning structurally consistent undirected probabilistic graphical models
In many real-world domains, undirected graphical models such as Markov random fields provide a more natural representation of the dependency structure than directed graphical mode...
Sushmita Roy, Terran Lane, Margaret Werner-Washbur...
ICML
2007
IEEE
14 years 9 months ago
Learning state-action basis functions for hierarchical MDPs
This paper introduces a new approach to actionvalue function approximation by learning basis functions from a spectral decomposition of the state-action manifold. This paper exten...
Sarah Osentoski, Sridhar Mahadevan
INFOCOM
2007
IEEE
14 years 2 months ago
On Node Isolation Under Churn in Unstructured P2P Networks with Heavy-Tailed Lifetimes
— Previous analytical studies [12], [18] of unstructured P2P resilience have assumed exponential user lifetimes and only considered age-independent neighbor replacement. In this ...
Zhongmei Yao, Xiaoming Wang, Derek Leonard, Dmitri...
ICRA
2006
IEEE
124views Robotics» more  ICRA 2006»
14 years 2 months ago
Stereo based Obstacle Detection for an Unmanned Air Vehicle
— This paper presents the Visual Threat Awareness (VISTA) system for real time collision obstacle detection for an unmanned air vehicle (UAV). Computational stereo performance ha...
Jeffrey Byrne, Martin Cosgrove, Raman K. Mehra