Smooth out a 3D Camera track

Hi there,

I have a 3D Camera Tracked scene that is very good, but not perfect.  I did advanced analysis and created a solid to place on the floor (which I added a grid to for reference).  It's very close (the grid looks perfect), but the text that I add and move up "off" of the ground has a very, very subtle jitter.  If it just drifted, that would be ok, but the jitter bothers me.

Is it possible to simply use something like a keyframe smoother to just remove those micro changes and positioning?

Thanks,

-Stephen