530 search results - page 56 / 106 » Detection of Changes in Surveillance Videos |
PETRA
2010
ACM
13 years 8 months ago
2010
ACM
Automatic surveillance of a scene in a broad sense comprises one of the core modules of pervasive applications. Typically, multiple cameras are installed in an area to identify ev...
AVSS
2008
IEEE
14 years 4 months ago
2008
IEEE
Visual surveillance in outdoor environments requires the monitoring of both objects and events. The analysis is generally driven by the target application which, in turn, determin...
AVSS
2006
IEEE
14 years 3 months ago
2006
IEEE
PTZ (Pan-Tilt-Zoom) cameras are widely used for large-area video surveillance. For many visual tracking and video analysis tasks, an accurate camera calibration is very important....
ICIAP
2007
ACM
14 years 9 months ago
2007
ACM
In this paper, we present a compact hybrid video sensor that combines perspective and omnidirectional vision to achieve a 360 field of view, as well as high-resolution images. Tho...
ICASSP
2007
IEEE
14 years 4 months ago
2007
IEEE
Background modeling and subtraction is a fundamental task in many computer vision and video processing applications. We present a novel probabilistic background modeling and subtr...