ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,412, issued on May 5, was assigned to Ohio State Innovation Foundation (Columbus, Ohio).

"System and methods for detecting abnormal following vehicles" was invented by Wei Sun (Columbus, Ohio) and Kannan Srinivasan (Columbus, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure a privacy-preserving defensive driving system that can detect abnormal following vehicles during driving. An example system may be configured to: continuously capture video data of the camera's field-of-view, detect following vehicles in the captured video data, and determine whether one or more following vehicles is exhibiting abnormal foll...