Optical flow based segmentation

Question

Hi I would like to segment objects in a video sequence based on optical flow (as suggested in this answer), I am using opencv and have been able to generate a flow field for

Answer 1

Since you want to use Optical Flow to segment object so your decision making will be based on the type of motion your objects under go...You can have a look at this video on youtube. You can measure the direction and the magnitude of the displacement each pixel of interest undergoes in two successive frames to get an idea of their movement pattern. In the link to the video the car is segmented from the background on the basis of Optical Flow...