US Patent Issued to INTERNATIONAL BUSINESS MACHINES on June 24 for "Extracting trajectories from arrow pictograms" (Japanese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,519, issued on June 24, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Extracting trajectories from arrow pictograms" was invented by Jayakorn Vongkulbhisal (Tokyo) and Pablo Salvador Loyola Heufemann (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method extracts a trajectory of an arrow in a binary image. The method extracts a skeleton of an arrow in the image and splits the skeleton into bones. For each of the bones, the method extends a bone to obtain an extended bone having both ends of the bone reaching a border of the arrow, and warps the extended bone into a straight line using a thin plate spline. For each bo...