Patent attributes
A method in an electronic device includes comparing, with one or more processors, at least one image with one or more predefined reference images and determining whether the at least one image comprises a depiction of a mien expressed by the object. When the object is authenticated as the authorized user of the electronic device and the at least one image fails to comprise the depiction of the mien expressed by the object, the one or more processors grant limited operational access to features, applications, or data of the electronic device. When the object is authenticated as the authorized user of the electronic device and the at least one image comprises the depiction of the mien expressed by the object, the one or more processors can grant full operational access to the features, the applications, or the data of the electronic device.