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| Itseohjautuva metriikkaoppiminen× | Siamilainen neuroverkko× | |
|---|---|---|
| Tieteenala≠ | Koneoppiminen | Syväoppiminen |
| Menetelmäperhe | Machine learning | Machine learning |
| Syntyvuosi≠ | 2020 (modern contrastive formulation); foundations 1990s–2000s | 1993 |
| Kehittäjä≠ | Chen, T. et al. (SimCLR); earlier metric learning foundations by Bromley, LeCun (1994) | Jane Bromley & Yann LeCun et al.; popularized by Koch et al. |
| Tyyppi≠ | Self-supervised representation learning with metric objective | Deep metric-learning architecture |
| Alkuperäislähde≠ | 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 ↗ | Bromley, J., Guyon, I., LeCun, Y., Säckinger, E., & Shah, R. (1993). Signature verification using a 'Siamese' time delay neural network. Advances in Neural Information Processing Systems, 6. link ↗ |
| Rinnakkaisnimet | self-supervised representation learning with metric loss, contrastive self-supervised learning, unsupervised metric learning, SSML | twin network, Siamese neural network, contrastive metric network, Siyam ağı |
| Liittyvät≠ | 3 | 1 |
| Tiivistelmä≠ | 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. | A Siamese network is a deep architecture with two (or more) identical, weight-sharing branches that map inputs into an embedding space where similar inputs land close together and dissimilar ones far apart. Introduced by Bromley, LeCun, and colleagues in 1993 for signature verification and revived by Koch et al. (2015) for one-shot image recognition, it learns a similarity metric rather than fixed class labels, making it ideal for verification, matching, and few-shot tasks. |
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