Dynamic replacement of the face of an actor in a video movie

A method for dynamically replacing the face of an actor in a video clip, with the one of a user of an entertainment video system, comprising the steps of:

• in a preparation phase:
• taking at least one first fixed picture of the face of the user;
• building a 3D-model of that face;
• replacing a first video picture of the actor with a reproduction of the face of the user after matching their respective size and orientation;
• and
• while the clip is going on:
• replacing the face of the actor in the successive pictures of the video clip with successive pictures reproducing the face of the user, the transitions of the face of the actor in the successive pictures of the video clip being followed by applying at least orientation, size and displacement vectors to the 3D-model of face of the user on the basis of orientation, size and displacement vectors calculated for the face of the actor in the clip.