2041 search results - page 161 / 409 » Data mining for activity extraction in video data |
185
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VIS
2009
IEEE
16 years 8 months ago
2009
IEEE
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
193
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ICCV
2003
IEEE
16 years 9 months ago
2003
IEEE
Video-based handwritten Character Recognition (VCR) system is a new type of character recognition system with many unique advantages over on-line character recognition system. Its...
198
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CARS
2004
15 years 8 months ago
2004
In this paper, we present a hybrid method for calibration of an endoscope and its registration with an active optical tracker. Practically, both operations are done simultaneously...
242
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CVPR
2009
IEEE
17 years 1 months ago
2009
IEEE
System theoretic approaches to action recognition model the dynamics of a scene with linear dynamical systems (LDSs) and perform classification using metrics on the space of LDSs, ...
151
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ACCV
2007
Springer
16 years 1 months ago
2007
Springer
In the paper, we proposed a method for moving human detection in video frames by motion contour matching. Firstly, temporal and spatial difference of frames is calculated and conto...