ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,669, issued on March 17, was assigned to Google LLC (Mountain View, Calif.).

"Estimating depth based on iris size" was invented by Ming Yong (Mountain View, Calif.), Andrey Vakunov (Mountain View, Calif.), Ivan Grishchenko (Mountain View, Calif.), Dmitry Lagun (Mountain View, Calif.) and Matthias Grundmann (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to estimating depth information based on iris size. A computing system may obtain an image depicting a person and determine a facial mesh for a face of the person based on features of the face. In some instances, the facial mesh includes a combination...