Finding distance travelled by robot using Optical Flow

Question

I\'m working on a project right now in which we are developing an autonomous robot. I have to basically find out the distance travelled by the robot between any 2 intervals. I\'

Answer 1

I hope you do end up accepting answers you received in the past. Anyway, I had posted the solution to this problem on SO (in OpenCV) a while back, so here it is:

How can I determine distance from an object in a video?