A method of animating a sprite in a video production comprising a plurality of sequential video frames is disclosed. The method comprises the steps of selecting (2004) a feature, with which the sprite is to be juxtaposed, in one of said video frames, applying (2006) a feature tracking process to the...http://www.google.ca/patents/US20030146915?utm_source=gb-gplus-sharePatent US20030146915 - Interactive animation of sprites in a video production