1385 search results - page 155 / 277 » Clustering by Random Projections |
161
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
The characterization of signals and images in manifolds often lead to efficient dimensionality reduction algorithms based on manifold distance computation for analysis or classi...
193
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ICPR
2010
IEEE
15 years 3 months ago
2010
IEEE
Finding similar images in a large database is an important, but often computationally expensive, task. In this paper, we present a two-tier similar-image retrieval system with the...
191
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CORR
2011
Springer
15 years 1 months ago
2011
Springer
The estimation of a sparse vector in the linear model is a fundamental problem in signal processing, statistics, and compressive sensing. This paper establishes a lower bound on t...
200
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JMLR
2010
15 years 1 months ago
2010
An algorithm is presented for topology selection in graphical models of autoregressive Gaussian time series. The graph topology of the model represents the sparsity pattern of the...
209
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SODA
2012
ACM
13 years 9 months ago
2012
ACM
We initiate the study of graph sketching, i.e., algorithms that use a limited number of linear measurements of a graph to determine the properties of the graph. While a graph on n...