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» Spatiotemporal Algorithm for Background Subtraction
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ICIP
2008
IEEE
15 years 4 months ago
Motion detection with an unstable camera
Fast and accurate motion detection in the presence of camera jitter is known to be a difficult problem. Existing statistical methods often produce abundant false positives since ...
Pierre-Marc Jodoin, Janusz Konrad, Venkatesh Salig...
CRV
2005
IEEE
272views Robotics» more  CRV 2005»
14 years 11 months ago
Real-Time Video Surveillance with Self-Organizing Maps
In this paper, we present an approach for video surveillance involving (a) moving object detection, (b) tracking and (c) normal/abnormal event recognition. The detection step uses...
Mohamed Dahmane, Jean Meunier
ICASSP
2010
IEEE
14 years 10 months ago
An alternate approach to adaptive beamforming using SRP-PHAT
An important application for microphone arrays is to extract highquality output from a single wideband source in multi-source and adverse environments. Methods based on blind-sour...
Avram Levi, Harvey F. Silverman
AVSS
2009
IEEE
14 years 7 months ago
Counting People in Groups
Abstract--Cameras are becoming a common tool for automated vision purposes due to their low cost. In an era of growing security concerns, camera surveillance systems have become no...
Duc Fehr, Ravishankar Sivalingam, Vassilios Morell...
CORR
2011
Springer
261views Education» more  CORR 2011»
14 years 4 months ago
Convex and Network Flow Optimization for Structured Sparsity
We consider a class of learning problems regularized by a structured sparsity-inducing norm defined as the sum of 2- or ∞-norms over groups of variables. Whereas much effort ha...
Julien Mairal, Rodolphe Jenatton, Guillaume Obozin...