Need some assistance on the next step.

I want to build a camera sentry that follows a specific marked target. I already got the codes for the target tracking done, but I'm kinda stuck at what to do next. I have planned for using Arduino with Matlab for controlling the 2 servo motor that controls the camera. What I really don't know is how to make the code communicate with the Arduino board so that the camera follows the target's direction.

I know it has something to do with exporting the coordinate from the tracking code or maybe I'm just wrong.