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Anomaly detection

ACM Computing Surveys, 2009
Anomaly detection is an important problem that has been researched within diverse research areas and application domains. Many anomaly detection techniques have been specifically developed for certain application domains, while others are more generic.
Varun Chandola, Arindam Banerjee
exaly   +2 more sources

An Overview of Anomaly Detection

IT Professional, 2013
Security automation continues to depend on signature models, but vulnerability exploitation is exceeding the abilities of such models. The authors, in reviewing the different types of mathematical-based constructs in anomaly detection, reveal how anomaly detection can enhance network security by potentially solving problems that signature models can't ...
Char Sample, Kim Schaffer
openaire   +2 more sources

Anomaly detection on the edge

MILCOM 2017 - 2017 IEEE Military Communications Conference (MILCOM), 2017
Anomaly detection is the process of identifying unusual signals in a set of observations. This is a vital task in a variety of fields including cybersecurity and the battlefield. In many scenarios, observations are gathered from a set of distributed mobile or small form factor devices.
Joseph Schneible, Alex Lu
openaire   +1 more source

Conditional Anomaly Detection

IEEE Transactions on Knowledge and Data Engineering, 2007
When anomaly detection software is used as a data analysis tool, finding the hardest-to-detect anomalies is not the most critical task. Rather, it is often more important to make sure that those anomalies that are reported to the user are in fact interesting.
Xiuyao Song   +3 more
openaire   +2 more sources

Dataflow anomaly detection

2006 IEEE Symposium on Security and Privacy (S&P'06), 2006
Beginning with the work of Forrest et al, several researchers have developed intrusion detection techniques based on modeling program behaviors in terms of system calls. A weakness of these techniques is that they focus on control flows involving system calls, but not their arguments.
Sandeep Bhatkar   +2 more
openaire   +2 more sources

Anomaly detection in trajectories

2016 24th Signal Processing and Communication Application Conference (SIU), 2016
In this work, we study the problem of anomaly detection of the trajectories of objects in a visual scene. For this purpose, we propose a novel representation for trajectories utilizing covariance features. Representing trajectories via co-variance features enables us to calculate the distance between the trajectories of different lengths. After setting
Hamza Ergezer, Kemal Leblebicioglu 0001
openaire   +2 more sources

Iterative anomaly detection

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017
Anomaly detection (AD) is designed to find targets that are spectrally distinct from their surrounding neighborhood. Unfortunately, commonly used anomaly detectors generally do not take into account its surrounding spatial information. This paper derives an iterative version of anomaly detection, iterative anomaly detection (IAD) to address this issue.
Yulei Wang 0002   +8 more
openaire   +2 more sources

Anomaly detection for diagnosis

[1990] Digest of Papers. Fault-Tolerant Computing: 20th International Symposium, 2002
The author presents a method for detecting anomalous events in communication networks and other similarly characterized environments in which performance anomalies are indicative of failure. The methodology, based on automatically learning the difference between normal and abnormal behavior, has been implemented as part of an automated diagnosis system
openaire   +1 more source

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