91 search results - page 2 / 19 » Human activity recognition from frame's spatiotemporal repre... |
IJCV
2002
13 years 4 months ago
2002
Analysis of human perception of motion shows that information for representing the motion is obtained from the dramatic changes in the speed and direction of the trajectory. In thi...
ICCV
2009
IEEE
14 years 9 months ago
2009
IEEE
Human activity recognition is a challenging task, especially
when its background is unknown or changing,
and when scale or illumination differs in each video.
Approaches utilizi...
CVPR
2000
IEEE
14 years 6 months ago
2000
IEEE
The analysis of human action captured in video sequences has been a topic of considerable interest in computer vision. Much of the previous work has focused on the problem of acti...
CVPR
2006
IEEE
13 years 11 months ago
2006
IEEE
This paper describes a general methodology for automated recognition of complex human activities. The methodology uses a context-free grammar (CFG) based representation scheme to ...
ACCV
2006
Springer
13 years 8 months ago
2006
Springer
Many activities may be characterized by a sequence of key frames that are related to important changes in motion rather than dominant characteristics that persist over a long seque...