3645 search results - page 451 / 729 » Implementing mapping composition |
202
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SIAMSC
2008
15 years 6 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
185
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Recent work on language models for information retrieval has shown that smoothing language models is crucial for achieving good retrieval performance. Many different effective smo...
159
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IJCV
2007
15 years 6 months ago
2007
Many vision applications require high-accuracy dense disparity maps in real-time and online. Due to time constraint, most real-time stereo applications rely on local winner-takes-a...
146
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JEI
2007
15 years 6 months ago
2007
Window-based correlation algorithms are widely used for stereo matching due to their computational efficiency as compared to global algorithms. In this paper, a multiple window co...
214
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AICOM
2004
15 years 6 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...