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» Optimal Segmentation Using Tree Models
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ECCV
2008
Springer
14 years 9 months ago
Unified Crowd Segmentation
Abstract. This paper presents a unified approach to crowd segmentation. A global solution is generated using an Expectation Maximization framework. Initially, a head and shoulder d...
Gianfranco Doretto, Jens Rittscher, Nils Krahnstoe...
CSL
2007
Springer
13 years 7 months ago
Stochastic and syntactic techniques for predicting phrase breaks
Determining the position of breaks in a sentence is a key task for a text-to-speech (TTS) system. We describe some methods for phrase break prediction in which the whole sentence ...
Ian Read, Stephen Cox
CORR
2007
Springer
130views Education» more  CORR 2007»
13 years 7 months ago
Lagrangian Relaxation for MAP Estimation in Graphical Models
Abstract— We develop a general framework for MAP estimation in discrete and Gaussian graphical models using Lagrangian relaxation techniques. The key idea is to reformulate an in...
Jason K. Johnson, Dmitry M. Malioutov, Alan S. Wil...
IKE
2003
13 years 9 months ago
A Tree-Based inverted File for Fast Ranked-Document Retrieval
Inverted files are widely used to index documents in large-scale information retrieval systems. An inverted file consists of posting lists, which can be stored in either a documen...
Wann-Yun Shieh, Tien-Fu Chen, Chung-Ping Chung
CN
2006
145views more  CN 2006»
13 years 7 months ago
Understanding optimal data gathering in the energy and latency domains of a wireless sensor network
The problem of optimal data gathering in wireless sensor networks (WSNs) is addressed by means of optimization techniques. The goal of this work is to lay the foundations to devel...
Ugo Monaco, Francesca Cuomo, Tommaso Melodia, Fabi...