ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,105, issued on April 22, was assigned to Suzhou TongRuiXing Technology Co. LTD (Taicang, China).
"Rail area extraction method based on laser point cloud data" was invented by Tuo Shen (Shanghai), Lanxin Xie (Shanghai) and Tenghui Xue (Taicang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail area extraction method based on laser point cloud data is provided, including: preprocessing collected laser point cloud data; screening and clustering the laser point cloud data based on a fixed distance segmentation method, and representing laser point cloud data of reference objects by a main laser point cloud data cluster; projecting laser point cl...