CAMERA PARAMETER COMPUTATION DEVICE, NAVIGATION SYSTEM, AND CAMERA PARAMETER COMPUTATION METHOD

摘要

A device for calculating one or more camera parameters of a camera for converting a scenery image captured by the camera of a scenery including a road into an image for navigation, the one or more camera parameters representing a height of a mount position of the camera and a direction of the camera includes: a location information acquisition unit that acquires location information; a road width information acquisition unit that acquires road data corresponding to the current location based on the location information and acquires road width information at the current location from the road data; a scenery image acquisition unit that acquires the scenery image from the camera; and a camera parameter calibration unit that performs calibration calculation of the camera parameters based on the scenery image and the road width information.