Vehicle Location Output Using Operating-State Privacy Filtering
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Solution Overview
Problem
Existing location tracking technologies fail to adequately balance user-side and manager-side burdens in ensuring anonymity while managing location information, often requiring significant user effort and increased information management complexity.
Innovation Solution
A system that determines a vehicle's operating state and outputs location information only when certain conditions are met, such as the vehicle being off for a predetermined time, low vehicle density, or specific time periods, to ensure anonymity by excluding or blurring sensitive locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If location information is continuously notified to ensure real-time tracking, then tracking accuracy is improved, but user anonymity is compromised
Solution Approach 1:
The system transmits location information periodically rather than continuously, specifically notifying the manager only when the vehicle's operating state transitions satisfy predetermined conditions (e.g., engine OFF for a certain duration). This periodic notification approach maintains tracking functionality while reducing exposure of sensitive location data, thereby preserving user anonymity.
2Object-affected harmful factors
If detailed map information is used to identify sensitive locations, then anonymity protection is improved, but information management complexity increases
Solution Approach 1:
The system extracts and excludes only the specific location information corresponding to predetermined areas (sensitive locations) from the notification data, rather than managing and processing detailed map information. By removing only the necessary sensitive portions, the system protects anonymity without requiring complex information management infrastructure.
3Object-affected harmful factors
If user sets sensitive locations in advance to protect privacy, then anonymity is improved, but user burden increases
Solution Approach 1:
The system automatically determines whether location information should be excluded based on predetermined conditions related to vehicle operating states (e.g., engine OFF duration, location matching). This automated decision-making eliminates the need for users to manually set and manage sensitive locations, reducing user burden while maintaining anonymity protection.
4Loss of information
If all location data is transmitted to the manager, then information completeness is improved, but data processing burden increases
Solution Approach 1:
The system extracts and excludes only the specific location information corresponding to predetermined areas from the transmitted data, rather than filtering or processing all location data. This approach maintains the completeness of necessary information while significantly reducing the data processing burden on the manager's side by eliminating sensitive location data before transmission.
Data Source
AI summary
A location information output method includes acquiring location information from a moving body via a network, the location information indicating a location measured by a location measuring device mounted on the moving body which includes at least one of a vehicle and a terminal device owned by an occupant of the vehicle, determining an operating state of the vehicle on the basis of the information received from the moving body via the network, and in a case a transition of the operating state of the vehicle satisfies a predetermined condition, outputting information indicating that the moving body is present at a location indicated by the location information from an output part on the basis of the location information in which the location information, which corresponds to a predetermined area including a spot at a time when the operating state of the vehicle has become OFF, is excluded.