ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,448, issued on July 14, was assigned to Bentley Systems Inc. (Exton, Pa.).

"Machine vision-based techniques for non-contact structural health monitoring" was invented by Zheng Yi Wu (Watertown, Conn.), Dian Mo (Watertown, Conn.) and Peng Xiao (Watertown, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example embodiment, a structural health monitoring software application provides non-contact structural health monitoring using a video of a structure captured by a video camera. The application selects an area of interest and divides the area of interest into a grid of cells. One or more machine vision algorithms are selected from a set of ...