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Metric Learning Using Iwasawa Decomposition
Finding a good metric over the input space plays a fundamental role in machine learning. Most existing techniques use the Mahalanobis metric without incorporating the geometry of positive matrices and experience difficulties in the optimization procedure. In this paper we introduce the use of Iwasaw...
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| Auteurs principaux: | , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
2007
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2630184/ https://ncbi.nlm.nih.gov/pubmed/19172169 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1109/ICCV.2007.4408846 |
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