US Patent Issued to Amazon Technologies on June 17 for "Liveness detection based on gesture validation, facial expression analysis, and concurrency validation" (Washington, New York Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,863, issued on June 17, was assigned to Amazon Technologies Inc. (Seattle).

"Liveness detection based on gesture validation, facial expression analysis, and concurrency validation" was invented by Zheng Zhang (Bellevue, Wash.), Xiang Xu (New Hyde Park, N.Y.), Hao Chen (Seattle), Jonathan Wu (Seattle) and Joseph P Tighe (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for liveness detection based on gesture validation, facial expression analysis, and concurrency validation. The techniques include selecting a color light pattern challenge and sending the color light pattern challenge to a personal computing device for display on a di...