ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,785, issued on Sept. 22, was assigned to Panasonic Automotive Systems Co. Ltd. (Kanagawa, Japan).
"Marker, edge detection device, and edge detection method" was invented by Yunyun Cao (Tokyo), Shuji Akamatsu (Kanagawa, Japan), Hirohito Mukai (Tokyo), Shunsuke Tsujioka (Nara, Japan) and Osamu Shibata (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marker includes N (N is an integer greater than or equal to 3) first areas that are arranged adjacent to one another in a predetermined direction. At each of N-1 first boundaries between the N first areas, an amount of change in a color property corresponding to positions in the predetermine...