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» Estimation of Chaotic Probabilities
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MICCAI
2002
Springer
14 years 11 months ago
Incorporating Non-rigid Registration into Expectation Maximization Algorithm to Segment MR Images
Abstract. The paper introduces an algorithm which allows the automatic segmentation of multi channel magnetic resonance images. We extended the Expectation Maximization-Mean Field ...
Kilian M. Pohl, William M. Wells III, Alexandre Gu...
ECML
2007
Springer
14 years 4 months ago
Policy Gradient Critics
We present Policy Gradient Actor-Critic (PGAC), a new model-free Reinforcement Learning (RL) method for creating limited-memory stochastic policies for Partially Observable Markov ...
Daan Wierstra, Jürgen Schmidhuber
MCS
2004
Springer
14 years 3 months ago
A Probabilistic Model Using Information Theoretic Measures for Cluster Ensembles
Abstract. This paper presents a probabilistic model for combining cluster ensembles utilizing information theoretic measures. Starting from a co-association matrix which summarizes...
Hanan Ayad, Otman A. Basir, Mohamed Kamel
EUC
2007
Springer
14 years 2 months ago
The Reliability of Detection in Wireless Sensor Networks: Modeling and Analyzing
A Wireless Sensor Network (WSN) composed of tiny sensor nodes may operate in an unfavorable terrain. The coupling of inherent limitations and harsh environments makes WSNs fallible...
Ming-Tsung Hsu, Frank Yeong-Sung Lin, Yue-Shan Cha...
ICC
2007
IEEE
186views Communications» more  ICC 2007»
14 years 5 hour ago
On Channel Coding Selection in Time-Slotted ALOHA Packetized Multiple-Access Systems Over Rayleigh Fading Channels
— In this paper, we consider the time-slotted ALOHA packetized multiple-access system where the transmission channels obey i.i.d (independent identically distributed) Rayleigh fa...
Chen Wei, Pingyi Fan, Khaled Ben Letaief