ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,421, issued on Oct. 7, was assigned to AXIS AB (Lund, Sweden).

"Image processing device and method of detecting objects crossing a crossline and a direction the objects crosses the crossline" was invented by Martin Sjoborg (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device and method for detecting objects crossing a crossline, and the direction, captured by a video camera are described. A sequence of video image frames of the scene is captured, and a combined image frame is created by extracting two or more lines of pixels of each image frame and arranging them adjacent to each other, wherein the lines of pixels of each video image...