18 search results - page 1 / 4 » View-invariant motion trajectory-based activity classificati... |
MMS
2006
13 years 4 months ago
2006
Motion trajectories provide rich spatio-temporal information about an object's activity. The trajectory information can be obtained using a tracking algorithm on data streams ...
IDEAL
2010
Springer
13 years 2 months ago
2010
Springer
Many of our activities on computer need a verification step for authorized access. The goal of verification is to tell apart the true account owner from intruders. We propose a gen...
TIP
2008
13 years 4 months ago
2008
Changes in motion properties of trajectories provide useful cues for modeling and recognizing human activities. We associate an event with significant changes that are localized in...
ICIP
2009
IEEE
2009
IEEE
Localized Null Space Representation For Dynamic Updating And Downdating In Image And Video Databases
14 years 5 months ago
Event/object classification and recognition is an extremely challenging problem, particularly when the query or stored data undergo an affine transformation due to camera motion. ...
ECCV
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Much recent research in human activity recognition has focused on the problem of recognizing simple repetitive (walking, running, waving) and punctual actions (sitting up...