3015 search results - page 264 / 603 » The robustness of a new CAPTCHA |
208
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ICCV
2003
IEEE
16 years 8 months ago
2003
IEEE
Surface representation is needed for almost all modeling and visualization applications, but unfortunately, 3D data from a passive vision system are often insufficient for a tradi...
219
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ICIP
2006
IEEE
16 years 8 months ago
2006
IEEE
In this paper we propose a new framework for modeling 2D shapes. A shape is first described by a sequence of local features (e.g., curvature) of the shape boundary. The resulting ...
169
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
180
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
Reducing the number of secondary data used to estimate the Clutter Covariance Matrix (CCM) for Space Time Adaptive Processing (STAP) techniques is still an active research topic. ...
203
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NTMS
2009
IEEE
16 years 1 months ago
2009
IEEE
—New approaches that generate secret keys from radio channel characteristics have been recently proposed. The security of these schemes usually relies on the reciprocity principl...