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I watched this video. There is a face being tracked by a Raspberry Pi and a frame gets displayed around the face.

I'm interested in creating the overlay with the frame. As you can see, the stream of the camera is fluent in more than 25fps probably. However, the calculation of the tracking frame is slow and has a bit of a lag, but that doesn't influence the actual stream.

How can I do such an overlay?

closed as too broad by Ghanima Nov 4 '18 at 22:37

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • A quick search on the internet shows there is plenty of tutorials about face tracking with the Pi. – Darth Vader Jul 24 '16 at 13:10

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