25041 search results - page 4267 / 5009 » Algorithms for Clustering Data |
196
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SIGIR
2002
ACM
15 years 7 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
198
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TASLP
2002
15 years 7 months ago
2002
This paper applies time-varying autoregressive (TVAR) models with stochastically evolving parameters to the problem of speech modeling and enhancement. The stochastic evolution mod...
304
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TIP
2002
15 years 7 months ago
2002
This paper provides the derivation of speckle reducing anisotropic diffusion (SRAD), a diffusion method tailored to ultrasonic and radar imaging applications. SRAD is the edge-sens...
193
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TIT
2002
15 years 7 months ago
2002
-- We characterize the best achievable performance of lossy compression algorithms operating on arbitrary random sources, and with respect to general distortion measures. Direct an...
206
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TKDE
2002
15 years 7 months ago
2002
Since WWW encourages hypertext and hypermedia document authoring (e.g. HTML or XML), Web authors tend to create documents that are composed of multiple pages connected with hyperl...