1263 search results - page 144 / 253 » An objective approach to cluster validation |
176
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GIS
2007
ACM
15 years 11 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
82
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AVSS
2007
IEEE
15 years 4 months ago
2007
IEEE
Perspective deformations on the image plane make the analysis of object behaviors difficult in surveillance video. In this paper, we improve the results of trajectory-based scene...
133
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ACCV
2009
Springer
15 years 3 months ago
2009
Springer
Abstract. We present a novel approach to segmenting video using iterated graph cuts based on spatio-temporal volumes. We use the mean shift clustering algorithm to build the spatio...
IVC
2002
14 years 10 months ago
2002
Modelling events is one of the key problems in dynamic scene analysis when salient and autonomous visual changes occuring in a scene need to be characterised effectively as meanin...
106
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IPPS
2010
IEEE
14 years 8 months ago
2010
IEEE
Many large-scale clusters now have hundreds of thousands of processors, and processor counts will be over one million within a few years. Computational scientists must scale their ...