http://www.mpi-inf.mpg.de/~granados/projects/vidbginp/index.html

We propose a method for removing marked dynamic objects from videos captured with a free-moving camera, so long as the objects occlude parts of the scene with a static background.

Trust nothing not seen with your own eyes.

http://www.youtube.com/watch?v=ltmMJntSfQI

 

I love the Monty Python sketch.