Algorithms for metric learning via contrastive embeddings

13 Jul 2018Diego Ihara CenturionNeshat MohammadiAnastasios Sidiropoulos

We study the problem of supervised learning a metric space under discriminative constraints. Given a universe $X$ and sets ${\cal S}, {\cal D}\subset {X \choose 2}$ of similar and dissimilar pairs, we seek to find a mapping $f:X\to Y$, into some target metric space $M=(Y,\rho)$, such that similar objects are mapped to points at distance at most $u$, and dissimilar objects are mapped to points at distance at least $\ell$... (read more)

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