US Patent Issued on Oct. 20 for "Expressway vehicle speed measuring method and device based on roadside monocular camera calibration" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,294, issued on Oct. 20.

"Expressway vehicle speed measuring method and device based on roadside monocular camera calibration" was invented by Yong Qi (Nanjing, China) and Xiao Jiang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an expressway vehicle speed measuring method and device based on roadside monocular camera calibration. The expressway vehicle speed measuring method based on roadside monocular camera calibration includes: acquiring a traffic monitoring video in a roadside monocular camera; segmenting the traffic monitoring video into a traffic background image set in frames, and transmitting ...