US Patent Issued to Cognex on July 15 for "System and method for three-dimensional calibration of a vision system" (American, Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,145, issued on July 15, was assigned to Cognex Corp. (Natick, Mass.).

"System and method for three-dimensional calibration of a vision system" was invented by Xiaoguang Wang (Johns Creek, Ga.), Yukun Bian (Suzhou, China), Li Sun (Sudbury, Mass.) and David Y. Li (West Roxbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention provides a system and method for calibration of a 3D vision system using a multi-layer 3D calibration target that removes the requirement of accurate pre-calibration of the target. The system and method acquires images of the multi-layer 3D calibration target at different spatial locations and at different time...