4242 search results - page 635 / 849 » An Event Spacing Experiment |
SMC
2007
IEEE
14 years 4 months ago
2007
IEEE
— This paper presents two approaches to visually analyze the topic shift of a pool of documents over a given period of time. The first of the proposed methods is based on a mult...
SYNASC
2007
IEEE
14 years 4 months ago
2007
IEEE
In recent years several models have been proposed for text categorization. Within this, one of the widely applied models is the vector space model (VSM), where independence betwee...
VTC
2007
IEEE
14 years 4 months ago
2007
IEEE
— A novel structure of training symbol is proposed for orthogonal frequency division multiplexing (OFDM) systems. With the proposed training symbol, which has repeated sample blo...
WACV
2007
IEEE
14 years 4 months ago
2007
IEEE
Facial feature localization is an important research area in both computer vision and pattern analysis. We present in this paper a hierarchical face model. It unifies both the gl...
ICIP
2007
IEEE
14 years 4 months ago
2007
IEEE
When the appearances of the tracked object and surrounding background change during tracking, fixed feature space tends to cause tracking failure. To address this problem, we prop...