ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,892, issued on Dec. 30, was assigned to BEIJING SOGOU TECHNOLOGY DEVELOPMENT Co. LTD. (Beijing).
"Formula recognition method and apparatus" was invented by Jie Wang (Beijing), Yingjun Wang (Beijing), Bo Qin (Beijing) and Xiaozhe Xin (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A formula recognition method and apparatus, a computer-readable medium, and an electronic device. The formula recognition method includes acquiring a target image including a formula, processing the target image to obtain a global image feature and a local image feature, and processing the global image feature and the local image feature to obtain the formula includ...