ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,741, issued on June 30, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Palm contour extraction method and apparatus, and control instruction generation method and apparatus" was invented by Zhiqiang Zhang (Shenzhen, China), Runzeng Guo (Shenzhen, China), Shaoming Wang (Shenzhen, China) and Xiaoyi Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a palm contour extraction method performed by a computer device. The method includes: obtaining bone point information respectively corresponding to palm bone points in a target palm image, the bone point information including bone point position...