this is a small camera for $65.00
https://openmv.io/collections/cams/products/openmv-cam-m7
and the JeVios for $50.00
http://www.jevois.org/
I bought this one and it quit the first min it ran.
so it's in the mail
I have a Movidius neural compute stick
Not a camera but works with raspberryPi camera
https://developer.movidius.com/