ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,259, issued on March 25, was assigned to GRABTAXI HOLDINGS PTE. LTD. (Singapore).

"Method and device for generating map data" was invented by Ying Zhang (Singapore), Jagannadan Varadarajan (Singapore), Roger Zimmermann (Singapore) and Guanfeng Wang (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for generating map data comprising training a generator neural network by acquiring training data elements and training a generative adversarial network, comprising training a generator neural network to generate, for a satellite image and a road usage image of a training data element, the map data image of the training data element and c...