Driver assistance device, driver assistance system, driver assistance method and recording medium in which a driver assistance program is stored

摘要

A driving assistance device 300 can efficiently perform driving assistance to improve the problems encountered with respect to another vehicle by comprising: a collecting unit 310 that collects host vehicle status information 311 indicating movement of a host vehicle 30 represent the status and position of the host vehicle 30, from a sensor 360; a communication unit 320 that sends the status information 311 of the host vehicle to another vehicle 40 and also the status information 331 of another vehicle representing the status of the movement of the other vehicle 40 and the position of the other vehicle 40 from the other vehicle 40 receives; a judging unit 330 that judges, based on the received status information 331 of the other vehicle, whether a problem has occurred with respect to the other vehicle 40; and a generation unit 340 that, when it has been judged by the judging unit 330 that a problem has occurred with respect to the other vehicle 40, generates the improvement operation information 341 based on the status information 311 of the host vehicle and the status information 331 of the other vehicle, which illustrate the operation of the host vehicle 30 for which the other vehicle 40 problems can be ameliorated.