ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,982, issued on Feb. 3, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and AISIN Corp. (Aichi-ken, Japan).
"Line of sight estimating device, storage medium for storing computer program for line of sight estimation, and line of sight estimating method" was invented by Hirotsugu Esaki (Tokyo-to, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The line of sight estimating device has a processor configured to estimate a line of sight direction of a driver using the facial feature points and determine reliability of the line of sight direction based on the reliability of the facial feature points, determine whether or not the driver is in a gazin...