ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,968, issued on April 14, was assigned to PRIMAX ELECTRONICS LTD. (Taipei City, Taiwan).

"Projection point extraction method" was invented by Hsiu-Wen Wang (Taipei City, Taiwan) and Chih-Wen Lin (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A projection point extraction method for a detection system is provided. The detection system includes a projection module, a projection plane and a receiver. Firstly, an original image with plural projection points is projected. Then, a kernel is used to perform an erosion process on the original image, so that an erosion image is generated. Then, an intensity transformation process is perf...