Learning to Perform a Perched Landing Using Deep Reinforcement Learning (link.springer.com)

Associated video here: https://www.youtube.com/watch?v=uU0WDWV6au8&feature=youtu.be

Thats amazing! I wonder how they made the training data to teach the drone how to land, I can assume it is challenging to fly a drone hundreds of times to get a good landing. Unless they had a different model that they could sample from.