Patent ID: 11895404
Assignee: WORLDCOIN FOUNDATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 18:
19. The method of claim 10, further comprising:
determining that the eye of the user is opened based upon the image of the eye of the user;
identifying an iris of the eye of the user based upon the image of the eye of the user;
determining an area occupied by the iris of the eye in the image of the eye of the user;
comparing the area to a threshold area;
determining a sharpness of the image of the eye of the user;
comparing the sharpness to a threshold sharpness; and
when the area exceeds the threshold area and when the sharpness exceeds the threshold sharpness, outputting an audible or visible indication to the user.