280 search results - page 25 / 56 » Approximate nearest neighbors using sparse representations |
110
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CORR
2010
Springer
14 years 12 months ago
2010
Springer
Recent work has demonstrated that using a carefully designed dictionary instead of a predefined one, can improve the sparsity in jointly representing a class of signals. This has m...
107
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CORR
2010
Springer
14 years 12 months ago
2010
Springer
Signal modeling lies at the core of numerous signal and image processing applications. A recent approach that has drawn considerable attention is sparse representation modeling, in...
SIAMSC
2008
14 years 11 months ago
2008
In this Part II of this paper we first refine the analysis of error-free vector transformations presented in Part I. Based on that we present an algorithm for calculating the round...
107
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ICDAR
2003
IEEE
15 years 5 months ago
2003
IEEE
In this paper we describe work relating to classification of web documents using a graph-based model instead of the traditional vector-based model for document representation. We ...
110
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VTC
2008
IEEE
15 years 6 months ago
2008
IEEE
Abstract— Diversity can play an important role in the performance improvement of a communication system in fading channels. The achievable performance with signal space diversity...