There is already a tool bundled with Nuke. I think its now in after effects (I'm pretty sure its the same tech.) http://www.youtube.com/watch?v=Zt0u9hsPuZY htt

There is already a tool bundled with Nuke. I think its now in after effects (I'm pretty sure its the same tech.) http://www.youtube.com/watch?v=Zt0u9hsPuZY http://www.youtube.com/watch?v=Zt0u9hsPuZY