ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,254, issued on Nov. 11, was assigned to LUXOTTICA GROUP S.P.A. (Milan).
"Interpupillary distance estimation method" was invented by Cristian Cascetta (Milan), Fabio Mazzarella (Busto Arsizio, Italy) and Luca Mazzocchi (Legnano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interpupillary distance estimation method is implementable by an electronic computer and includes the operations of acquiring at least one 2D image of a user's face, locating on the 2D image two reference points corresponding to the pupils of the user, and measuring the distance in pixels between the two reference points. The method further includes measuring the diamete...