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	Apprendimento Self-Supervised Few-Shot	Siamese Network
Campo	Apprendimento automatico	Apprendimento profondo
Famiglia	Machine learning	Machine learning
Anno di origine	2019	1993
Ideatore	Gidaris, S. et al.; Su, J.-C. et al. (concurrent seminal works)	Jane Bromley & Yann LeCun et al.; popularized by Koch et al.
Tipo	Hybrid learning paradigm (self-supervised pretraining + few-shot adaptation)	Deep metric-learning architecture
Fonte seminale	Gidaris, S., Bursuc, A., Komodakis, N., Perez, P., & Cord, M. (2019). Boosting Few-Shot Visual Learning with Self-Supervision. Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV), 8059–8068.	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.
Alias	SSL-FSL, self-supervised meta-learning, unsupervised few-shot learning, self-supervised prototypical learning	twin network, Siamese neural network, contrastive metric network, Siyam ağı
Correlati	2	1
Sintesi	Self-supervised Few-shot Learning (SSL-FSL) combines self-supervised pretraining on large unlabeled corpora with few-shot meta-learning so that a model can recognize new categories from only a handful of labeled examples. By learning rich, transferable representations without expensive annotation, SSL-FSL addresses the fundamental bottleneck of supervised few-shot methods: the need for labeled support data at scale.	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.