An environment map production device includes: a calculation unit that calculates an evaluation value of validity of a positioning solution based on data obtained by measurement by a vehicle traveling in a certain area in a plurality of time zones using GN...

A method and system for obtaining, from at least one camera associated with a vehicle traveling through a road network, a sequence of images of a road or a road environment, each image being associated with a location where that image is captured, generati...

This application discloses a map generation method, which includes: first obtaining a plurality of obstacles in a scanning range of a sensor; controlling a terminal device to navigate to a first obstacle, where the first obstacle is an obstacle closest to ...

A database system (100) and method (350) for obtaining and communicating data is provided, wherein the system (100) includes a plurality of mobile nodes (102), wherein at least a first mobile node has an environmental data collection device (104), a locati...