2292 search results - page 147 / 459 » Hierarchical approximation and localization |
255
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INFOCOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—The paper deals with efficient distribution of timely information to flows of mobile devices. We consider the case where a set of Information Dissemination Devices (IDDs) broa...
167
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ICASSP
2008
IEEE
16 years 27 days ago
2008
IEEE
It is well known that high-dimensional nearest-neighbor retrieval is very expensive. Many signal processing methods suffer from this computing cost. Dramatic performance gains can...
151
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CPAIOR
2007
Springer
16 years 19 days ago
2007
Springer
Portfolio selection is a relevant problem arising in finance and economics. While its basic formulations can be efficiently solved through linear or quadratic programming, its mor...
199
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ICPR
2006
IEEE
2006
IEEE
Regularized Locality Preserving Learning of Pre-Image Problem in Kernel Principal Component Analysis
16 years 14 days ago
In this paper, we address the pre-image problem in kernel principal component analysis (KPCA). The preimage problem finds a pattern as the pre-image of a feature vector defined in...
178
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GLOBECOM
2009
IEEE
15 years 9 months ago
2009
IEEE
Abstract—Fingerprinting localization techniques provide reliable location estimates and enable the development of location aware applications especially for indoor environments, ...