5692 search results - page 306 / 1139 » Challenges and Unsolved Problems |
183
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Tracking people in a dense crowd is a challenging problem for a single camera tracker due to occlusions and extensive motion that make human segmentation difficult. In this paper ...
179
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ECCV
2002
Springer
16 years 8 months ago
2002
Springer
Abstract. We propose a new tracking technique that is able to capture non-rigid motion by exploiting a space-time rank constraint. Most tracking methods use a prior model in order ...
283
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Automatic recognition and formalization of constraints from free-form service requests is a challenging problem. Its resolution would go a long way toward allowing users to make r...
269
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
The filtering of XML data is the basis of many complex applications. Lots of algorithms have been proposed to solve this problem[2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 18]. One importan...
256
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
In this paper, we explore a new paradigm for data management in which a third party service provider hosts "database as a service" providing its customers seamless mecha...