Using Unity to detect images/people movement from Live webcam feed

I am working on something for an escape room using Unity if possible. I’m looking to use Live Video pulled from multiple webcams that are located within the attraction. Getting the video feeds into Unity seems fairly straightforward. However, the second part of this is that I really want to find a way to determine reaction from the object in the video. Is there a way, in Unity, to detect a person or object within the Live Video feed?

Unity is not a computer vision system so you probably have to implement motion detection algorithms yourself (not realistic) or use an existing library like OpenCV. My understanding of this is that you would have to build network (tcp/udp?) connection to OpenCV running on your system and transfer data to Unity.

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There’s OpenCV for Unity and an Intro to Using OpenCV with Unity tutorial on raywenderlich.com.

It great to see Noobs setting the bar low as always.

#1 Make sure game supports real time AI person recognition
#2 If time, make game fun.