GPS data for Copter Follow Mode

Hey, I am trying to follow a person that I don’t have GPS coordinates. I can’t use GPS on followed object but i am not sure how to get coordinates. I can use image processing with a companion computer. Is it obligator to get coordinates from a gps? thx in advance

You have an open thread with the same question. Suggest you post in that rather than create a new one.

sry i’m new here, i wont repeat again