293 search results - page 2 / 59 » On the use of feature tracks for dynamic concept detection i... |
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
Videos from distributed sources (e.g., broadcasts, podcasts, blogs, etc.) have grown exponentially. Topic threading is very useful for organizing such large-volume information sou...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
We present a novel framework for tracking of a long sequence of human activities, including the time instances of change from one activity to the next, using a closed-loop, non-li...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
We introduce two novel methods to improve the performance of wide area video surveillance applications by using scene features. First, we evaluate the drift in intrinsic and extri...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
For large scale automatic semantic video characterization, it is necessary to learn and model a large number of semantic concepts. But a major obstacle to this is the insufficienc...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
Among the various types of semantic concepts modeled, events pose the greatest challenge in terms of computational power needed to represent the event and accuracy that can be ach...