4176 search results - page 185 / 836 » Support vector clustering |
149
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MLMTA
2007
15 years 5 months ago
2007
- Clustering plays an indispensable role for data analysis. Many clustering algorithms have been developed. However, most of them suffer either poor performance of unsupervised lea...
143
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SAC
2005
ACM
15 years 10 months ago
2005
ACM
We present a novel indexing schema that provides eļ¬cient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneļ¬...
162
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ENGL
2008
15 years 4 months ago
2008
With the proliferation of multimedia data, there is an increasing need to support the indexing and searching of high-dimensional data. In this paper, we propose an efficient indexi...
172
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DCC
1995
IEEE
15 years 8 months ago
1995
IEEE
ā Many image compression techniques require the quantization of multiple vector sources with signiļ¬cantly different distributions. With vector quantization (VQ), these sources ...
134
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TIT
2002
15 years 4 months ago
2002
Abstract--The Lagrangian formulation of variable-rate vector quantization is known to yield useful necessary conditions for quantizer optimality and generalized Lloyd algorithms fo...