I finally got back to experimenting with cob_people_detection which used for detecting heads and faces and recognizing people. I wrote a node that subscribes to the detection data and commands Timmy to look around until he sees a face and will announce the names of the faces he recognized. He can also speak a customized greeting when he sees faces that have not been trained. Now I can mix this with the simple rover and he can walk around while looking for faces and when he can stop to say hello and carry on when you leave.
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