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Loss Functions in Machine Learning

One of the key factors in machine learning is the loss function. This tells the machine learning algorithm how well the trained system is currently performing. The goal of learning …

What is machine learning?

What does it mean for a machine to learn? And how can a machine learn to solve a problem given training data? Watch Dr Will Smith explain more.

Introduction to Week 3

Welcome back for the final week! In this short film, Dr Ian Gray introduces Week 3 of the course.

Fall Detection Using Sequential Data

It’s important to note that simply processing individual sequential frames isn’t enough to distinguish between a fall and other activities of daily living like lying down, as information about motion …

What is Assistive Technology?

Assistive technologies are products designed to help people perform everyday tasks. Watch Dr Kofi Appiah explain more.

Ethics of Facial Recognition Technology

In recent years, face recognition technology has increasingly become part of our lives: we use it to unlock mobile phones, we are automatically tagged in photographs on social media, our …

How does face recognition work?

Using a CNN to compute an embedding of a face image is the standard method in state of the art face recognition. However, there are some additional considerations required to …