Athentication of device users by gaze

摘要

A method includes obtaining a gaze feature of a user of a device, wherein the device has already been unlocked using a second feature, the gaze feature being based on images of a pupil relative to a display screen of the device, comparing the obtained gaze feature to known gaze features of an authorized user of the device, and determining whether or not the user is authorized to use the device based on the comparison.

主权项

1. A system comprising:
a device having a processor, a memory, and a display screen; a gaze sensor supported by the device and facing toward a user of the device to provide gaze tracking information to the processor; programming stored on the memory, the programming adapted to cause the processor to:
identify at least one gaze feature of the user, the at least one gaze feature including a length of time from a user selecting a function to the time a user gazes at a location on the display screen where a feature will appear;compare the identified gaze feature of the user to known gaze features of a user that is authorized and has passed a separate security check to use the device; andconfirm whether or not the user is the user that is authorized and has passed a separate security check to use the device.