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204
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
Many object classes are primarily defined by their functions. However, this fact has been left largely unexploited by visual object categorization or detection systems. We propos...
249
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
In this paper we present a framework for the recognition of collective human activities. A collective activity is defined or reinforced by the existence of coherent behavior of i...
182
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ACCV
2010
Springer
15 years 1 months ago
2010
Springer
Activity videos are widespread on the Internet but current video search is limited to text tags due to limitations in recognition systems. One of the main reasons for this limitati...
209
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ICCV
2011
IEEE
14 years 6 months ago
2011
IEEE
The motion field of a scene can be used for object segmentation and to provide features for classification tasks like action recognition. Scene flow is the full 3D motion fiel...
205
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ICCV
2011
IEEE
14 years 6 months ago
2011
IEEE
This paper presents a middle-level video representation named Video Primal Sketch (VPS), which integrates two regimes of models: i) sparse coding model using static or moving prim...