US Patent Issued to Meta Platforms Technologies on July 8 for "Three-dimensional (3D) compressive sensing based eye tracking" (Washington Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,216, issued on July 8, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Three-dimensional (3D) compressive sensing based eye tracking" was invented by Yatong An (Redmond, Wash.), Youmin Wang (Bellevue, Wash.) and Zhaoyu Nie (Kenmore, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional (3D) compressive sensing based eye tracking system using single photon avalanche diode (SPAD) sensors achieves high resolution depth measurement by using low resolution SPAD sensors and active encoded illumination such as two- or three-dimensional fringe patterns, random speckles, random patterns, and/or superimposed patterns p...