1126 search results - page 135 / 226 » Forest Density Estimation |
153
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TMI
2002
15 years 5 months ago
2002
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each voxel is modeled as an ...
142
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
—In this paper we investigate the local probability density function (pdf) of natural signals in sparse domains. The statistical properties of natural signals are characterized m...
156
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ECCV
2004
Springer
16 years 8 months ago
2004
Springer
This paper proposes a robust estimation and validation framework for characterizing local structures in a positive multi-variate continuous function approximated by a Gaussian-base...
202
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KDD
2003
ACM
16 years 6 months ago
2003
ACM
The goal of clustering is to identify distinct groups in a dataset. The basic idea of model-based clustering is to approximate the data density by a mixture model, typically a mix...
140
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INFOCOM
2009
IEEE
16 years 20 days ago
2009
IEEE
—Tracking of movements such as that of people, animals, vehicles, or of phenomena such as fire, can be achieved by deploying a wireless sensor network. So far only prototype sys...