Patent ID: 8063849
Filing Date: 2011-11-22
Classification: G02B,H04N

Abstract:
1. A method for a user to navigate in a surrounding world captured by one or more image sensors and displayed to the user in an image display area of a display device which in use is in front of the user's head and follows the movements of his head, the direction of the user's head in predetermined cases controlling which part of the captured surrounding world is displayed to the user, said method comprising defining in a head direction area which substantially corresponds to the area towards which the user can direct his head, an inner head direction area and an outer head direction area , the outer area surrounding the inner area on all sides, detecting the user's head direction, detecting the user's gaze direction, and determining whether the head direction is in the inner head direction area or not, in a case when the head direction points in the inner head direction area, having head direction control which part of the captured surrounding world is displayed to the user, and changing to let the gaze direction control which part of the captured surrounding world is displayed to the user when the head direction no longer points in the inner head direction area and simultaneously either the gaze direction moves to a predetermined part of the image display area or a special command is given, and the point of the surrounding world pointed out by the gaze direction being continuously placed in a predetermined area of the image display area when the gaze direction controls the display to the user.