ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,236,620, issued on Feb. 25, was assigned to GOERTEK INC. (Shandong, China).
"Three-dimensional reconstruction method and apparatus" was invented by Jiale Shang (Shandong, China), Bin Jiang (Shandong, China) and Xiaoyu Chi (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional reconstruction method, comprising: performing slide calculation on an acquired current image frame to obtain to-be-processed windows; performing point feature extraction and line feature extraction on the to-be-processed windows, and determining corresponding features in each to-be-processed window; performing iterative quadtree splitting for circles on...