ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,738, issued on Nov. 11, was assigned to Sun Vat-sen University (Guangzhou, China).

"Method and system for high-precision localization of surface of object" was invented by Xia Yang (Guangzhou, China), Junyou Qin (Guangzhou, China), Guisong Guo (Guangzhou, China) and Xiaohu Zhang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method and system for high-precision localization of a surface of an object, the method including making marks with a pre-set distribution density on the surface of the object; photographing the marked object and numbering the marks in the image; acquiring relative position inf...