US Patent Issued to Hitachi Astemo on Dec. 30 for "Self-map generation device and self-position estimation device" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,775, issued on Dec. 30, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Self-map generation device and self-position estimation device" was invented by Morihiko Sakano (Tokyo), Hideyuki Kume (Tokyo) and Hidehiro Toyoda (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a self-map generation device and a self-position estimation device with which it is possible to achieve high-accuracy self-position estimation even when an observation error due to a sensor is large by estimating an error amount of a landmark serving as an observation point and improving the quality of a self-generated point group map. This self...