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ACCV
2010
Springer
13 years 3 months ago
Human Detection in Video over Large Viewpoint Changes
In this paper, we aim to detect human in video over large viewpoint changes which is very challenging due to the diversity of human appearance and motion from a wide spread of view...
Genquan Duan, Haizhou Ai, Shihong Lao
COLING
2010
13 years 3 months ago
Recognizing Medication related Entities in Hospital Discharge Summaries using Support Vector Machine
Due to the lack of annotated data sets, there are few studies on machine learning based approaches to extract named entities (NEs) in clinical text. The 2009 i2b2 NLP challenge is...
Son Doan, Hua Xu
TREC
2008
13 years 10 months ago
FEUP at TREC 2008 Blog Track: Using Temporal Evidence for Ranking and Feed Distillation
This paper presents the participation of FEUP, from University of Porto, in the TREC 2008 Blog Track. FEUP participated in two tasks, the baseline adhoc retrieval task and the blo...
Sérgio Nunes, Cristina Ribeiro, Gabriel Dav...
NAACL
2004
13 years 10 months ago
Inferring Sentence-internal Temporal Relations
In this paper we propose a data intensive approach for inferring sentence-internal temporal relations, which relies on a simple probabilistic model and assumes no manual coding. W...
Mirella Lapata, Alex Lascarides
ICMI
2005
Springer
201views Biometrics» more  ICMI 2005»
14 years 2 months ago
A joint particle filter for audio-visual speaker tracking
In this paper, we present a novel approach for tracking a lecturer during the course of his speech. We use features from multiple cameras and microphones, and process them in a jo...
Kai Nickel, Tobias Gehrig, Rainer Stiefelhagen, Jo...