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Piecewise-Linear Manifolds for Deep Metric Learning
March 25, 2024, 4:42 a.m. | Shubhang Bhatnagar, Narendra Ahuja
cs.LG updates on arXiv.org arxiv.org
Abstract: Unsupervised deep metric learning (UDML) focuses on learning a semantic representation space using only unlabeled data. This challenging problem requires accurately estimating the similarity between data points, which is used to supervise a deep network. For this purpose, we propose to model the high-dimensional data manifold using a piecewise-linear approximation, with each low-dimensional linear piece approximating the data manifold in a small neighborhood of a point. These neighborhoods are used to estimate similarity between data …
abstract arxiv cs.ai cs.cv cs.lg data eess.iv linear manifold network representation semantic space type unsupervised
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