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UAI
2003
13 years 10 months ago
On the Convergence of Bound Optimization Algorithms
Many practitioners who use EM and related algorithms complain that they are sometimes slow. When does this happen, and what can be done about it? In this paper, we study the gener...
Ruslan Salakhutdinov, Sam T. Roweis, Zoubin Ghahra...
MICCAI
2004
Springer
14 years 9 months ago
Geometric Flows for Segmenting Vasculature in MRI: Theory and Validation
Abstract. Often in neurosurgical planning a dual spin echo acquisition is performed that yields proton density (PD) and T2-weighted images to evaluate edema near a tumor or lesion....
Maxime Descoteaux, D. Louis Collins, Kaleem Siddiq...
GECCO
2010
Springer
192views Optimization» more  GECCO 2010»
14 years 1 days ago
Resource abundance promotes the evolution of public goods cooperation
Understanding the evolution of cooperation as part of an evolutionary stable strategy (ESS) is a difficult problem that has been the focus of much work. The associated costs of co...
Brian D. Connelly, Benjamin E. Beckmann, Philip K....
IEEESCC
2009
IEEE
14 years 3 months ago
Web Service Substitution Based on Preferences Over Non-functional Attributes
In many applications involving composite Web services, one or more component services may become unavailable. This presents us with the problem of identifying other components tha...
Ganesh Ram Santhanam, Samik Basu, Vasant Honavar
ICMCS
2006
IEEE
144views Multimedia» more  ICMCS 2006»
14 years 2 months ago
Receiver-Based Optimization for Video Delivery Over Wireless Links
We consider transfer of video frames over a time-varying wireless channel. When the channel is good, the transmitter can send frames at a higher rate than the receiver can consume...
Carri W. Chan, John G. Apostolopoulos, Yan Li, Nic...