3972 search results - page 569 / 795 » Cosparse analysis modeling - uniqueness and algorithms |
160
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CVPR
2004
IEEE
16 years 9 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
198
Voted
ICCV
2007
IEEE
16 years 9 months ago
2007
IEEE
Occlusion is a significant challenge for many tracking algorithms. Most current methods can track through transient occlusion, but cannot handle significant extended occlusion whe...
327
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GIS
2007
ACM
16 years 8 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 ...
195
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ICML
2004
IEEE
16 years 8 months ago
2004
IEEE
A standard method for approximating averages in probabilistic models is to construct a Markov chain in the product space of the random variables with the desired equilibrium distr...
198
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ISBI
2004
IEEE
16 years 7 months ago
2004
IEEE
This paper develops an energy minimization algorithm to reconstruct the 3D motion of transplanted hearts of small animals (rats) from tagged magnetic resonance (MR) sequences. We ...