Deep Mind x UCL, Deep Learning Lectures, 10, 12, Unsupervised Representation Learning

Unsupervised learning is one of the three major branches of machine learning (along with supervised learning and reinforcement learning). It is also arguably the least developed branch. Its goal is to find a parsimonious description of the input data by uncovering and exploiting its hidden structures. This is presumed to be more reminiscent of how the brain learns compared to supervised learning. Furthermore, it is hypothesised that the representations discovered through unsupervised learning may alleviate