Sciweavers

6366 search results - page 518 / 1274
» Statistical Performance Modeling and Optimization
Sort
View
115
Voted
ICASSP
2011
IEEE
14 years 8 months ago
A modified MAP criterion based on hidden Markov model for voice activity detecion
The maximum a posteriori (MAP) criterion is broadly used in the statistical model-based voice activity detection (VAD) approaches. In the conventional MAP criterion, however, the ...
Shiwen Deng, Jiqing Han, Tieran Zheng, Guibin Zhen...
IWCIA
2004
Springer
15 years 10 months ago
Joint Non-rigid Motion Estimation and Segmentation
Abstract. Usually object segmentation and motion estimation are considered (and modelled) as different tasks. For motion estimation this leads to problems arising especially at th...
Boris Flach, Radim Sára
INFOCOM
2003
IEEE
15 years 10 months ago
Exploiting Wireless Channel State Information for Throughput Maximization
— We consider the problem of scheduling packets over a number of channels with time varying connectivity. Policies proposed for this problem either stabilize the system when the ...
Vagelis Tsibonis, Leonidas Georgiadis, Leandros Ta...
181
Voted
CORR
2010
Springer
228views Education» more  CORR 2010»
15 years 3 months ago
Sparse Inverse Covariance Selection via Alternating Linearization Methods
Gaussian graphical models are of great interest in statistical learning. Because the conditional independencies between different nodes correspond to zero entries in the inverse c...
Katya Scheinberg, Shiqian Ma, Donald Goldfarb
146
Voted
SIGIR
2000
ACM
15 years 9 months ago
An investigation of linguistic features and clustering algorithms for topical document clustering
We investigate four hierarchical clustering methods (single-link, complete-link, groupwise-average, and single-pass) and two linguistically motivated text features (noun phrase he...
Vasileios Hatzivassiloglou, Luis Gravano, Ankineed...