ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,437, issued on Aug. 26, was assigned to DAIHEN Corp. (Osaka, Japan).
"Marker detection apparatus and robot teaching system" was invented by Makoto Ikeguchi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a marker detection apparatus able to detect the position of a marker with high accuracy and a robot teaching system using the same. A marker detection apparatus includes: an image generation unit that superimposes point group data, acquired by a 3D camera and photographed from a viewpoint same as a viewpoint of a 2D camera, on image data acquired by the 2D camera, thereby generating a combined image; a marker position calcul...