503 search results - page 45 / 101 » Activity based surveillance video content modelling |
ICCV
2009
IEEE
15 years 2 months ago
2009
IEEE
We present an activity recognition feature inspired by
human psychophysical performance. This feature is based
on the velocity history of tracked keypoints. We present a
generat...
CIKM
2011
Springer
12 years 10 months ago
2011
Springer
The study of information flow analyzes the principles and mechanisms of social information distribution. It is becoming an extremely important research topic in social network re...
WWW
2009
ACM
14 years 10 months ago
2009
ACM
In Web-based services of dynamic content (such as news articles), recommender systems face the difficulty of timely identifying new items of high-quality and providing recommendat...
HT
2009
ACM
14 years 2 months ago
2009
ACM
This paper develops a probabilistic framework that can model and predict group activity over time on online social media. Users of social media sites such as Flickr often face the...
CVPR
2010
IEEE
13 years 10 months ago
2010
IEEE
We present a novel method for the discovery and statistical representation of motion patterns in a scene observed by a static camera. Related methods involving learning of pattern...