157 search results - page 4 / 32 » Anomaly Detection Using Unsupervised Profiling Method in Tim... |
ITCC
2005
IEEE
15 years 3 months ago
2005
IEEE
Abstract: Evidence of some attacks can be manifested by abnormal sequences of system calls of programs. Most approaches that have been developed so far mainly concentrate on some p...
SDM
2010
SIAM
14 years 11 months ago
2010
SIAM
We present a method for unsupervised discovery of abnormal occurrences of activities in multi-dimensional time series data. Unsupervised activity discovery approaches differ from ...
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
A key goal of far-field activity analysis is to learn the usual pattern of activity in a scene and to detect statistically anomalous behavior. We propose a method for unsupervised...
TMI
2010
14 years 4 months ago
2010
Within-subject analysis in fMRI essentially addresses two problems, the detection of brain regions eliciting evoked activity and the estimation of the underlying dynamics. In [1, 2...
PKDD
2010
Springer
14 years 7 months ago
2010
Springer
Detecting local clustered anomalies is an intricate problem for many existing anomaly detection methods. Distance-based and density-based methods are inherently restricted by their...