Driving Assistance System with Vehicle Appearance Retrieval
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Solution Overview
Problem
Current vehicle-to-vehicle communication systems cannot provide drivers with visual information about vehicles requiring attention, making it difficult for drivers to identify notified vehicles upon sighting them, as they lack vehicle appearance data such as color and type.
Innovation Solution
A driving assistance system that includes vehicle-mounted devices capable of performing vehicle-to-vehicle communication, a central database linking vehicle identification numbers with appearance information, and a notification system that requests and displays vehicle appearance data to drivers, enabling them to recognize notified vehicles by their appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If vehicle-to-vehicle communication is used to notify drivers of nearby vehicles, then drivers can recognize the presence and location of vehicles requiring attention, but drivers cannot identify the specific appearance of notified vehicles
Solution Approach 1:
The system performs preliminary actions by having the center store vehicle appearance information (color, type, size) in advance for each vehicle identification number. When a vehicle-mounted device requests appearance information for a notified vehicle, the center can immediately retrieve and transmit the pre-stored appearance data, eliminating the need for real-time appearance detection and enabling rapid vehicle identification by drivers.
2Loss of information
If vehicle information is exchanged through vehicle-to-vehicle communication, then drivers receive location and state data of nearby vehicles, but the information lacks vehicle appearance characteristics
Solution Approach 1:
The center acts as an intermediary between vehicle-mounted devices and vehicle appearance information. When a vehicle-mounted device needs appearance information for identification, it requests data from the center, which retrieves and transmits the appearance characteristics (color, type, size) of the target vehicle. This intermediary system enables reliable vehicle recognition without requiring direct appearance sensing between vehicles.
Data Source
AI summary
The present disclosure provides a driving assistance system and a vehicle-mounted device. Each vehicle-mounted device broadcasts own vehicle information, and transmits wide area vehicle information to a center. The wide area vehicle information includes the vehicle information and VIN of the own vehicle. The center receives the wide area vehicle information, and stores the vehicle information and the VIN in a correlated manner in a center end database. The vehicle-mounted device transmits an appearance information request signal to the center. The appearance information request signal includes generation time and location information of a different vehicle. The center specifies, based on the generation time and the location information included in the appearance information request signal, the VIN of the vehicle requested by the vehicle-mounted device, and acquires the appearance information related to the specified VIN by searching the appearance information database, and then transmits the appearance information to the vehicle-mounted device.