So you're developing your own computer vision system? A bold undertaking. For a short answer, the hardware really is not as critical of an element as the software is. As far as vision tracking goes, what specifically are you trying to track, if anything? Depending on the intended application, object tracking can be as simple as edge detection (think line-following robots) to more complex recognition of colors and patterns (i.e. face detection or tracking a specific object by color)
There are a few prominent vision sensor projects out there like PixyCam and OpenMV (in fact
I just came from a thread discussing one of them) that y'all could look into to see how they pull it off.
