Video processing

The method of processing a video data (300) is indicated. This video data (300) is caught by two or more preparations and the mobile video-data capture means in the group of frame data. This method detects a face within each frame of (a) video (400), (b) Process the group to which frame data corresponds and keep constant substantially the domain of the picture occupied by a (i) face (400), (ii) It has what the direction of the appearance of the light which enters into a face is substantially kept constant (500), and/or the color of the appearance of a (iii) face is substantially kept constant (600).