324 search results - page 24 / 65 » Learning Semantic Scene Models by Trajectory Analysis |
ICPR
2008
IEEE
15 years 4 months ago
2008
IEEE
Many video surveillance applications require detecting human reappearances in a scene monitored by a camera or over a network of cameras. This is the human reappearance detection ...
85
Voted
ICCV
2005
IEEE
15 years 3 months ago
2005
IEEE
We develop a method for learning the spatial statistics of optical flow fields from a novel training database. Training flow fields are constructed using range images of natur...
SIGIR
2003
ACM
15 years 2 months ago
2003
ACM
Collaborative filtering aims at learning predictive models of user preferences, interests or behavior from community data, i.e. a database of available user preferences. In this ...
ACL
2011
14 years 1 months ago
2011
Unsupervised vector-based approaches to semantics can model rich lexical meanings, but they largely fail to capture sentiment information that is central to many word meanings and...
ETRA
2008
ACM
14 years 11 months ago
2008
ACM
Under natural viewing conditions, human observers use shifts in gaze to allocate processing resources to subsets of the visual input. There are many computational models that try ...