Patent ID: 7639266

Claim:
An information device, comprising: a portrait obtaining unit configured to obtain a face portrait of a user including a first face part image corresponding to a first facial expression of the user and attribute information of the face portrait, the attribute information indicating a position of the first face part image, wherein a facial image is obtained by photographing the user, the facial image is converted into binary data, the converted data is projected on a two dimensional coordinate system, and the face portrait and the attribute information are generated based on the projected data; and a changing unit configured to obtain a second face part image corresponding to a second facial expression of the user and to replace the first face part image with the second face part image based on the attribute information, and where a facial expression of the face portrait is selectively changed from the first facial expression to the second facial expression responsive to a selection of the second facial expression by the user, and displayed with the second facial expression responsive to execution of a call related operation correlated with the second facial expression as specified by the user at said selection.