Driving Assistance Apparatus Region Segmentation
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Solution Overview
Problem
Existing driving assistance systems fail to provide timely assistance in low-frequency activity regions, as the threshold for registering assistance locations is not dynamically adjusted based on activity frequency, leading to delayed assistance in areas where users infrequently visit.
Innovation Solution
A driving assistance apparatus that includes a location detection unit, a registration processing unit, and a region segmentation unit to dynamically adjust the registration condition based on activity frequency, relaxing the threshold for low-frequency regions to ensure timely assistance, and managing assistance location registrations effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed threshold for the number of learnings is used to register assistance locations, then the system can maintain simplicity in registration criteria, but assistance is delayed in low-frequency activity regions where users infrequently visit
Solution Approach 1:
The patent applies dynamics by making the registration threshold adaptive rather than fixed. The threshold dynamically changes based on the estimated activity frequency of the vehicle at different locations. High-frequency regions maintain higher thresholds to prevent over-registration, while low-frequency regions use lower thresholds to enable timely assistance registration. This resolves the contradiction by allowing the system to remain simple in operation (automatic adjustment) while eliminating time delays in low-frequency areas.
Solution Approach 2:
The patent changes the parameter of registration threshold based on activity frequency estimates. Instead of using a single fixed threshold, the system adjusts the threshold parameter according to whether a location is in a high-frequency or low-frequency activity region. This parameter change enables the system to register assistance locations appropriately in both high-frequency regions (avoiding over-registration) and low-frequency regions (enabling timely assistance).
2Loss of time
If the registration threshold is lowered for low-frequency activity regions, then assistance can be provided promptly in those areas, but the number of registered assistance locations increases
Solution Approach 1:
The patent applies local quality by differentiating registration thresholds based on local characteristics of activity frequency. Instead of using a uniform threshold across all regions, the system assigns different threshold values to high-frequency and low-frequency activity regions based on their local needs. This allows prompt assistance registration in low-frequency regions while maintaining appropriate control in high-frequency regions, thus managing the quantity of registered locations effectively.
Solution Approach 2:
The patent segments the driving area into high-frequency and low-frequency activity regions based on vehicle travel patterns. This segmentation allows the system to apply different registration strategies to different segments: higher thresholds in high-frequency regions to limit the number of registered locations, and lower thresholds in low-frequency regions to enable timely assistance. This segmentation resolves the contradiction by distributing the registration burden appropriately across different regions.
3Adaptability or versatility
If assistance locations are registered in low-frequency activity regions with relaxed conditions, then driving assistance becomes more accessible, but the system complexity increases due to region segmentation and dynamic threshold adjustment
Solution Approach 1:
The patent applies self-service by enabling the system to automatically estimate activity frequency and adjust registration thresholds without requiring manual intervention. The system autonomously segments the driving area into high-frequency and low-frequency regions based on vehicle travel data and automatically applies appropriate thresholds to each region. This self-service capability increases adaptability and availability of assistance while minimizing the perceived complexity for users, as the adjustments occur automatically without user awareness or action.
Data Source
AI summary
A driving assistance apparatus includes: a registration processing unit configured to register, as an assistance location, an assistance location candidate detected as a location at which driving assistance for an own vehicle is necessary if the assistance location candidate satisfies a registration condition; and a region segmentation unit configured to set a first activity region in which an activity frequency of the own vehicle is estimated to be relatively high and a second activity region in which an activity frequency of the own vehicle is estimated to be relatively low. In a case where the assistance location candidate falls in the second activity region, the registration processing unit relaxes the registration condition compared to a case of falling in the first activity region (the assistance location candidate).