503 search results - page 30 / 101 » Activity based surveillance video content modelling |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we propose a novel video similarity measure model using video time density function (VTDF) and dynamic programming. First, we employ VTDF to describe the density of...
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
Motion detection and estimation are known to be important in many automated surveillance systems. It has drawn significant research interest in the field of computer vision. This ...
AMFG
2007
IEEE
13 years 11 months ago
2007
IEEE
A key problem for "face in the crowd" recognition from existing surveillance cameras in public spaces (such as mass transit centres) is the issue of pose mismatches betwe...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
We describe a method of representing human activities that allows a collection of motions to be queried without examples, using a simple and effective query language. Our approach...
MMM
2003
Springer
14 years 26 days ago
2003
Springer
The Digital Video Album (DVA) system described here integrates various cooperating subsystems to index and query video documents according to their semantic content and other meta...