The first address in this year’s Appleton lecture was given by Dr Sarah Atkinson. She gave a historical view of “fake news” created by manipulation of media, starting with the Cottingley fairies. This set the scene for Dr Hao Li’s excellent presentation of his research into animation of people, initially through long-running processes for film effects, but latterly in real-time for Animoji on the iPhone X.
There are plenty of applications for the techniques, such as video conferencing, social media and even films. However, the common theme was that, as these technologies become mainstream, we should no longer assume that video evidence of a speaker saying something is actual real.