338 search results - page 44 / 68 » Approximation Spaces and Information Granulation |
SISAP
2008
IEEE
15 years 3 months ago
2008
IEEE
There are several pieces of information that can be utilized in order to improve the efficiency of similarity searches on high-dimensional data. The most commonly used information...
105
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SIGIR
2004
ACM
15 years 2 months ago
2004
ACM
We present a probabilistic model for a document corpus that combines many of the desirable features of previous models. The model is called “GaP” for Gamma-Poisson, the distri...
163
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
TALG
2010
14 years 4 months ago
2010
We study a generalization of the k-median problem with respect to an arbitrary dissimilarity measure D. Given a finite set P of size n, our goal is to find a set C of size k such t...
CRV
2006
IEEE
14 years 11 months ago
2006
IEEE
The retinex algorithm for lightness and color constancy is extended to include 3-dimensional spatial information reconstructed from a stereo image. A key aspect of traditional ret...