US Patent Issued to Lemon on May 12 for "Calibrating eye-tracking camera of head-mounted display device" (California Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,407, issued on May 12, was assigned to Lemon Inc. (Grand Cayman, Cayman Islands).

"Calibrating eye-tracking camera of head-mounted display device" was invented by Chien Hung Lu (Los Angeles) and Bowei Zhang (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computing system including one or more processing devices configured to calibrate an eye-tracking camera. Calibrating the eye-tracking camera includes receiving lens tolerance range data associated with intrinsic parameters and position parameters of a pancake lens, and further includes receiving image data of one or more ground-truth features. Calibrating the eye-tracking camera furthe...