joesan wrote:Mundmc - that looks just about perfect! Thank you so much for highlighting this. It also looks kind of achievable too. I'm going to investigate further.
Happy to help! I did a shallow dive on opencv a few years ago when i did the fast.ai deep learning web course- opencv (while not machine learning at that time) was helpful and really powerful.
Again, this DOES mean mounting a camera at every door threshold. If it were me, I would use a cheap usb cam and run a long cable to the raspi. USB cameras do not perform as well as the native raspi cameras that run on a ribbon cable, but the max length of that ribbon cable is not very long (so i’ve read, rarely more than 1 m recommended).
Nevertheless, I am doing a more intensive skill-building project on a raspi 3B (pan-tilt camera on an arduino and raspi with opencv and face tracking), and the difference between an external usb cam and the native raspi cams is about 5fps (not problematic).
If you decide to tackle this and can run it on a raspi zero, i would definitely implement that on the doorways to my house!