Salīdzināt metodes
Apskatiet izvēlētās metodes blakus; rindas, kas atšķiras, ir izceltas.
| Pašuzraudzības metriskā apguve× | Metriskā apguve× | |
|---|---|---|
| Nozare | Mašīnmācīšanās | Mašīnmācīšanās |
| Saime | Machine learning | Machine learning |
| Izcelsmes gads≠ | 2020 (modern contrastive formulation); foundations 1990s–2000s | 2003 (foundational); refined 2009 (LMNN) |
| Autors≠ | Chen, T. et al. (SimCLR); earlier metric learning foundations by Bromley, LeCun (1994) | Xing, E. P.; Jordan, M. I.; Russell, S.; Ng, A. Y. |
| Tips≠ | Self-supervised representation learning with metric objective | Representation learning / supervised distance optimization |
| Pirmavots≠ | Chen, T., Kornblith, S., Norouzi, M., & Hinton, G. (2020). A Simple Framework for Contrastive Learning of Visual Representations. Proceedings of the 37th International Conference on Machine Learning (ICML 2020), PMLR 119, 1597–1607. link ↗ | Xing, E. P., Jordan, M. I., Russell, S., & Ng, A. Y. (2003). Distance metric learning with application to clustering with side-information. In Advances in Neural Information Processing Systems (NIPS), 16, 505–512. link ↗ |
| Citi nosaukumi | self-supervised representation learning with metric loss, contrastive self-supervised learning, unsupervised metric learning, SSML | Distance Metric Learning, Similarity Learning, DML, Representation Learning via Distance |
| Saistītās≠ | 3 | 5 |
| Kopsavilkums≠ | Self-supervised metric learning trains a neural encoder to embed inputs so that semantically similar items lie close together in vector space, using automatically generated pseudo-labels instead of human annotations. By combining self-supervised pretext tasks with contrastive or triplet-based metric objectives, it produces transferable, label-efficient representations applicable to retrieval, clustering, and few-shot classification. | Metric learning is a machine-learning framework that trains a distance or similarity function from data so that semantically similar examples end up close together in the learned space while dissimilar examples are pushed apart. Unlike fixed distances such as Euclidean, the learned metric adapts to the structure of the task, making downstream classifiers, clusterers, and retrieval systems significantly more accurate. |
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