(A more general description of this work starts around 40:09)
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I found a demo here on YouTube:
https://youtu.be/4hu0B2F4HU4?t=12m
https://youtu.be/wXT73bBr83s?list=PL3TSF5whlprXqwYNIM0X8mBzu...
https://youtu.be/p1b5aiTrGzY
(A more general description of this work starts around 40:09)
reply