Patent ID: 9715781
Date: 2017-07-25
CPC Classifications: G07F

Claim:
1. A method of calibrating a location of a player's gaze at a video display comprising: providing, by a least one processor, game play on a display of a gaming machine, the game play including a serial display of game video content having a plurality of reference symbols and non- reference symbols displayed on the display; capturing, by at least one image capturing device coupled to the gaming machine, images of the player's gaze while displaying the plurality of reference symbols at positions on the display during the serial display of the game video content; creating, by the at least one processor, control signals representing a direction of the player's gaze relative to the positions of the plurality of reference symbols; creating, by the at least one processor, a data set based on the control signals and the positions of the plurality of reference symbols; calibrating, by the at least one processor, the location of the player's gaze at the display of the gaming machine using the data set; and improving, by the at least one processor, calibration of the location of the player's gaze by removing a weakest member of the data set and replacing the weakest member with new calibration event data, wherein the weakest member is determined based upon a spread size of raw gaze data, with a small spread she being better, and a shortness of time of a fixation event, with a shorter time indicating less accuracy.