* https://www.hackster.io/windowsiot/cat-door-with-pet-recognition-514dac https://www.hackster.io/windowsiot/cat-door-with-pet-recogni... * https://lmb.informa

* https://www.hackster.io/windowsiot/cat-door-with-pet-recognition-514dac https://www.hackster.io/windowsiot/cat-door-with-pet-recogni... * https://lmb.informatik.uni-freiburg.de/people/ronneber/cvflap/ https://lmb.informatik.uni-freiburg.de/people/ronneber/cvfla...