8. The non-transitory computer-readable medium of claim 1 , further comprising: program code for determining, after a determination that the change in direction of the object has occurred, an image stability value for a subset of the plurality of frames, the image stability value based at least in part on the change in direction of the object.
9. The non-transitory computer-readable medium of claim 8 , wherein the image stability value is based at least in part on the calculated difference between the first plane and the second plane.