"I would go with Pixhawk 2.1 with Edison carrier board, Here GPS and the Edison. If you want a second computer, I would suggest the Odriod XU4 or if you have the budget and room, NVidia TX1. If you need help building your drone let me…"
"The mot powerful companion computer hardware solution at the moment is without a doubt the Jetson TX2. But the easier to develop for is probably the Intel Edison, since you can prototype actual run-time algorithms on a normal desktop computer."
"I suggest dropping in to gitter.im/Ardupilot/VisionProjects and asking the guys in there. For computer vision tasks an odroid xu4 or nvidia tx1/tx2 might be necessary - although it really depends on your setup and specific cv implementation."
"Thank you for your perfect reply, Really I appreciate that.
I will use single board computer to connect camera with it, then do image processing and other programing jobs.
I mean the last version of PixHauk that's 2.1 that has a cube. I am…"