US Patent Application 18115974. Calibrating a Gaze Tracker simplified abstract
Contents
Calibrating a Gaze Tracker
Organization Name
Inventor(s)
Anshu K. Chimalamarri of Sunnyvale CA (US)
Bryce L. Schmidtchen of San Francisco CA (US)
Gregory Lutter of Boulder Creek CA (US)
Calibrating a Gaze Tracker - A simplified explanation of the abstract
- This abstract for appeared for US patent application number 18115974 Titled 'Calibrating a Gaze Tracker'
Simplified Explanation
This method involves displaying visual elements on a device and determining where the user intends to gaze based on the characteristics of these elements. It also involves capturing an image of the user's pupil and using a gaze tracker to determine where the user is actually looking. The calibration parameter of the gaze tracker is adjusted based on the difference between the intended gaze region and the measured gaze region.
Original Abstract Submitted
A method includes displaying a plurality of visual elements. The method includes determining, based on respective characteristic values of the plurality of visual elements, an expected gaze target that indicates a first display region where a user of the device intends to gaze while the plurality of visual elements is being displayed. The method includes obtaining, via the image sensor, an image that includes a set of pixels corresponding to a pupil of the user of the device. The method includes determining, by a gaze tracker, based on the set of pixels corresponding to the pupil, a measured gaze target that indicates a second display region where the user is measuredly gazing. The method includes adjusting a calibration parameter of the gaze tracker based on a difference between the first display region indicated by the expected gaze target and the second display region indicated by the measured gaze target.
