ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,252, issued on Nov. 3, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Visual localization" was invented by Rui Wang (Zurich), Christoph Vogel (Zurich), Changan Chen (Zurich) and Marc Andre Leon Pollefeys (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples describe using a two dimensional floor plan, rather than a three dimensional (3D) reconstruction of a scene, to localize a camera. A floorplan of an environment is accessed and an image of the environment captured by a camera in the environment is received. The image is input to a trained neural network to predict an array of rays from the camera to surfaces in the...