Sciweavers

2034 search results - page 186 / 407
» Substring Selectivity Estimation
Sort
View
ICC
2007
IEEE
159views Communications» more  ICC 2007»
16 years 20 days ago
Limited Feedback Precoding in Realistic MIMO Channel Conditions
— MIMO system design for real applications requires that factors such as channel estimation errors, feedback quantisation and realistic channel responses be taken into account. L...
Geoffrey W. K. Colman, Tricia J. Willink
VALUETOOLS
2006
ACM
16 years 9 days ago
Splitting with weight windows to control the likelihood ratio in importance sampling
Importance sampling (IS) is the most widely used efficiency improvement method for rare-event simulation. When estimating the probability of a rare event, the IS estimator is the ...
Pierre L'Ecuyer, Bruno Tuffin
IAT
2005
IEEE
15 years 12 months ago
Self-Organizing Cognitive Agents and Reinforcement Learning in Multi-Agent Environment
This paper presents a self-organizing cognitive architecture, known as TD-FALCON, that learns to function through its interaction with the environment. TD-FALCON learns the value ...
Ah-Hwee Tan, Dan Xiao
ICIP
2005
IEEE
15 years 12 months ago
3D reconstruction of localized objects from radiographs and based on multiresolution and sparsity
We address the reconstruction of a 3D image from a set of incomplete X-ray tomographic data. In the case where the image is composed of one or several objects lying in a uniform b...
Charles Soussen, Jérôme Idier
190
Voted
AVBPA
2005
Springer
248views Biometrics» more  AVBPA 2005»
15 years 11 months ago
A New On-Line Model Quality Evaluation Method for Speaker Verification
The accurate selection of the utterances is very important to obtain right estimated speaker models in speaker verification. In this sense, it is important to determine the quality...
Javier R. Saeta, Javier Hernando