Patent ID: 8253535

Claim:
A method for controlling access to an electronic device, the electronic device having a storage system and a camera module, the method comprising: controlling the camera module to capture an iris of an eye of a user so as to acquire a login iris image from the camera module; detecting iris characteristic points in the login iris image, the iris characteristic points comprising a main characteristic point and sub-characteristic points, the main characteristic point being a biggest recess in the login iris image and the sub-characteristic points being recesses in the login iris image except the biggest recess; computing iris characteristic values according to the detected iris characteristic points; obtaining original iris characteristic values of one or more authorized users of the electronic device from the storage system; determining if the computed iris characteristic values match the original iris characteristic values of the one or more authorized users; and granting access to the electronic device if the iris characteristic values match the original iris characteristic values of the one or more authorized users.