EVENT INFORMATION STORAGE DEVICE, EVENT INFORMATION READING DEVICE, OPERATION ASSISTANCE SYSTEM, AND EVENT INFORMATION STORAGE METHOD

摘要

An event information storage device (10), in which event information containing either an operation performed with respect to a vehicle (1) while traveling or the behavior of the vehicle is stored in association with a vehicle position, is provided with: a vehicle position acquisition unit (12); a road shape acquisition unit (13); a feature position detection unit (14) that detects a feature position on a road by analyzing the shape of the road and extracting a geometrical feature; an event information acquisition unit (11); a vehicle position conversion unit (15) that converts the vehicle position at the time of acquisition of the event information to a relative position with respect to the feature position; and an event information storage unit (16) that stores the event information in association with the vehicle position that has been converted to the relative position.