Mind Reading - Reconstructing Visual Experiences from Brain Activity Evoked by Natural Movies
Summary of this article.
1. Show a video to someone
2. Do lots of maths to it
3. Find about five hours of YouTube videos which meet the same maths similarities
4. Compose the relevant YouTube videos together to form an new video/image
5. Compare image to the original to see how close the composite comes to
Also check this video for better understanding