US Patent 10540489 Authentication using multiple images of user from different angles

A sequence of photographs is taken of the face (and if desired the upper body) of a user of a mobile device using the camera of the mobile device. Each photo is taken at a different angle from the user. The sequence is compared with a stored sequence and if a match is found, access to the device is granted. The user typically holds the device with arms extended outward and moves the device 180° across his face to take the sequence for authentication purposes.