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Basically, you can follow any socket server tutorial, and you don't really need to use any library for this, although they would make it somewhat simpler some of the time, as long as you understand the basics. I would try to make a basic chat program using simple TCP/UDP sockets (make sure you understand the difference and choose what best suits your case) ...


OpenCV's DNN module is very optimized but it doesn't support quantized models at the time of writing this answer. Go with Tensorflow Lite on 64bit OS. I could get 15 FPS on Raspberry Pi 4. By the way, I have provided a C++ toolbox for object detection on ARM CPUs. Currently, only cascade classifiers are supported.

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