ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,223, issued on July 15, was assigned to Aeva Inc. (Mountain View, Calif.).

"System and method for field calibrating video and lidar subsystems using independent measurements" was invented by Richard L. Sebastian (Frederick, Md.) and Anatoley T. Zheleznyak (Great Falls, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system uses range and Doppler velocity measurements from a lidar subsystem and images from a video subsystem to estimate a six degree-of-freedom trajectory of a target. The video subsystem and the lidar subsystem may be aligned with one another, and hence calibrated, by determining, for example, a centroid of an iris determined from...