61 search results - page 5 / 13 » Video understanding for complex activity recognition |
ICCV
2009
IEEE
16 years 4 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...
JMM2
2007
14 years 11 months ago
2007
Abstract— Activity recognition in video streams is increasingly important for both the computer vision and artificial intelligence communities. Activity recognition has many app...
237
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ICCV
2011
IEEE
13 years 11 months ago
2011
IEEE
Complex human activities occurring in videos can be defined in terms of temporal configurations of primitive actions. Prior work typically hand-picks the primitives, their total...
122
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ICMCS
2009
IEEE
14 years 9 months ago
2009
IEEE
In recent years the video event understanding is an active research topic, with many applications in surveillance, security, and multimedia search and mining. In this paper we foc...
150
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
In this paper, we tackle the problem of understanding the temporal structure of complex events in highly varying videos obtained from the Internet. Towards this goal, we utilize a...