ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,463, issued on July 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Information processing device for detection of background of image" was invented by Toshiki Kashiwakura (Tokyo), Chihiro Inaba (Tokyo) and Takurou Sakai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control unit executes: acquiring an actual image that is an image captured by the imaging unit; acquiring a calibration image that is an image captured by the imaging unit in the past and serving as a reference for the current background; generating a model for estimating a region where a shadow exists and correcting the color tone; and adding a shadow corresponding t...