This is such a great video for an introduction to optimal mass transport! I love the snow analogy you gave! Helped me a lot to visualize what is going on.
It was an amazing video, I am trying to understand the uses of optimal transport for video alignment. Thanks for sharing such diverse knowledge about OT.
1:37 You need to use charts that share the same axes, otherwise it's really hard to tell which are taller. Also, axes are not labelled. Negative 3 metres? Feet? The graphics is highly confusing.