503 search results - page 21 / 101 » Activity based surveillance video content modelling |
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
We propose a space-time Markov Random Field (MRF)
model to detect abnormal activities in video. The nodes in
the MRF graph correspond to a grid of local regions in the
video fra...
AINA
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper we present a low-complexity traffic prioritization strategy for video transmission using the H.264 scalable video coding (SVC) standard over 802.11e wireless networ...
AVSS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper we report on techniques for automatically learning foveal sensing strategies for an active pan-tiltzoom camera. The approach uses reinforcement learning to discover ...
IVC
2010
13 years 6 months ago
2010
Active Appearance Model (AAM) represents the shape and appearance of an object via two low-dimensional subspaces, one for shape and one for appearance. AAM for facial images is cu...
SP
2008
IEEE
14 years 1 months ago
2008
IEEE
Eavesdropping on electronic communication is usually prevented by using cryptography-based mechanisms. However, these mechanisms do not prevent one from obtaining private informat...