BYOL: Bootstrap Your Own Latent — A New Approach to Self-Supervised Learning

Moklesur Rahman
7 min readJun 21, 2023

Self-supervised learning has emerged as a powerful technique for training deep neural networks without relying on manual annotations. Recently, a new approach called Bootstrap Your Own Latent (BYOL) has gained attention in the field of computer vision. BYOL offers a promising method for learning powerful representations from unlabeled data. In this blog, we will explore the key concepts of BYOL and discuss its significance in advancing self-supervised learning.

BYOL, image credit: AI Summer

Understanding Self-Supervised Learning: Traditional supervised learning heavily relies on labeled data, where each sample is manually annotated with its corresponding label. However, acquiring labeled data can be expensive and time-consuming, hindering the scalability of machine learning models. Self-supervised learning aims to alleviate this limitation by leveraging unlabeled data to learn meaningful representations.

The Essence of Bootstrap Your Own Latent: BYOL introduces an innovative framework for self-supervised learning without requiring negative pairs during training. The key idea behind BYOL is to leverage two neural networks: an online network and a target network. These networks work in tandem to bootstrap and refine their own representations.

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Moklesur Rahman

PhD student | Computer Science | University of Milan | Data science | AI in Cardiology | Writer | Researcher