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ICIP
2004
IEEE
16 years 8 months ago
Unsupervised motion detection using a markovian temporal model with global spatial constraints
In this work, we propose an unsupervised Bayesian model for the detection of moving objects from dynamic scenes. This unsupervised solution is a three-step approach that uses a st...
Pierre-Marc Jodoin, Max Mignotte
KDD
2002
ACM
157views Data Mining» more  KDD 2002»
16 years 6 months ago
Learning nonstationary models of normal network traffic for detecting novel attacks
Traditional intrusion detection systems (IDS) detect attacks by comparing current behavior to signatures of known attacks. One main drawback is the inability of detecting new atta...
Matthew V. Mahoney, Philip K. Chan
DEXAW
2010
IEEE
186views Database» more  DEXAW 2010»
15 years 5 months ago
Gaze-tracking and Acoustic Vector Sensors Technologies for PTZ Camera Steering and Acoustic Event Detection
—An innovative application of gaze-tracking and acoustic vector sensors (AVS) technologies for guidance of moving pan- tilt-zoom (PTZ) monitoring camera is presented. Gaze-tracki...
Jozef Kotus, Bartosz Kunka, Andrzej Czyzewski, Pio...
EMNLP
2010
15 years 4 months ago
Automatic Detection and Classification of Social Events
In this paper we introduce the new task of social event extraction from text. We distinguish two broad types of social events depending on whether only one or both parties are awa...
Apoorv Agarwal, Owen Rambow
AIRS
2005
Springer
15 years 12 months ago
The Empirical Impact of the Nature of Novelty Detection
Sentence level novelty detection aims at spotting sentences with novel information from an ordered sentence list. In the task, sentences appearing later in the list with no new me...
Le Zhao, Min Zhang, Shaoping Ma