121 search results - page 11 / 25 » Anomalous trajectory patterns detection |
SAC
2010
ACM
14 years 18 days ago
2010
ACM
We consider the problem of anomaly detection in multiple co-evolving data streams. In this paper, we introduce FRAHST (Fast Rank-Adaptive row-Householder Subspace Tracking). It au...
ICIP
2007
IEEE
14 years 9 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...
FEGC
2010
13 years 9 months ago
2010
The environment around us is progressively equipped with various sensors, producing data continuously. The applications using these data face many challenges, such as data stream i...
CIDM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Protecting and securing sensitive information are critical challenges for businesses. Deliberate and intended actions such as malicious exploitation, theft or destruction of dat...
AIPR
2008
IEEE
14 years 2 months ago
2008
IEEE
– This paper addresses the exploitation of massive numbers of image-derived change detections. We use the term “change analysis” to emphasize the intelligence value obtained ...