US 12,230,063 B2
Eye-tracking device and method
Michael Helmer, Frankfurt am Main (DE); and Martin Vitt, Frankfurt am Main (DE)
Assigned to Sanofi, Paris (FR)
Appl. No. 17/786,047
Filed by Sanofi, Paris (FR)
PCT Filed Dec. 17, 2020, PCT No. PCT/EP2020/086825
§ 371(c)(1), (2) Date Jun. 16, 2022,
PCT Pub. No. WO2021/123022, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 19306688 (EP), filed on Dec. 19, 2019.
Prior Publication US 2023/0017183 A1, Jan. 19, 2023
Int. Cl. G06F 3/01 (2006.01); G06T 7/246 (2017.01); G06V 40/19 (2022.01)
CPC G06V 40/19 (2022.01) [G06F 3/013 (2013.01); G06T 7/246 (2017.01)] 20 Claims
OG exemplary drawing
 
1. A device comprising at least two cameras, a display, a memory, and a processor, the memory storing instructions which, when executed by the processor, cause the device to:
display, using the display of the device, a content to be reviewed by a user, wherein the content comprises training content related to a drug delivery device;
detect, using the at least two cameras of the device, eyes of the user;
detect, using the at least two cameras of the device, eye movements of the user, wherein detecting the eye movements of the user comprises:
generating, using the at least two cameras of the device, stereoscopic images of the eyes of the user; and
processing the stereoscopic images of the eyes of the user to detect the eye movements of the user; and
determine, based on the detected eye movements of the user, whether the user has reviewed the content by monitoring blink duration and/or blink rate and comparing with a respective pre-stored average.