ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,115, issued on May 19, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).

"Image recognition method and unmanned aerial vehicle system" was invented by Cheng-Hsin Lee (Hsin-Chu, Taiwan) and Huang-Cheng Chiang (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image recognition method and an unmanned aerial vehicle system are provided. A training image marked with a specified range is received, and a plurality of features are extracted from the training image through a basic model to obtain a feature map. Next, a frame selection is performed on each point on the feature map to obtain a plurality of initial detection frames, and a pl...