Patent attributes
Exemplary embodiments relate to uses of face detection for modifying the background of a video. By detecting the portion of the video shot that corresponds to a face, it can also determined which portion of the shot do not correspond to the face (e.g., the background of the video). The thus-detected background may be replaced with a movie, event, or other material. Different types of materials may be targeted at different users based on user affinities or preferences. In some embodiments, a user may manually select and apply a background during a video call. When applying a custom background, the system can transmit a control signal and the background. The client recognizes the control signal and, in response, applies the background.