143 search results - page 7 / 29 » Detecting group activities using rigidity of formation |
IMC
2010
ACM
14 years 9 months ago
2010
ACM
Previous methods of network anomaly detection have focused on defining a temporal model of what is "normal," and flagging the "abnormal" activity that does not...
ICPR
2010
IEEE
15 years 3 months ago
2010
IEEE
We present a region based active contour model which does not require any initialisation and is capable of modelling multi-modal image regions. Its external force is based on stat...
125
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CVPR
2007
IEEE
16 years 1 months ago
2007
IEEE
Detecting and segmenting moving objects in dynamic scenes is a hard but essential task in a number of applications such as surveillance. Most existing methods only give good resul...
MONET
2007
14 years 11 months ago
2007
This paper explores the potential for use of an unaugmented commodity technology—the mobile phone— as a health promotion tool. We describe a prototype application that tracks t...
109
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KDD
2007
ACM
16 years 4 days ago
2007
ACM
In this study, a novel multidimensional time series classification technique, namely support feature machine (SFM), is proposed. SFM is inspired by the optimization model of suppo...