Route Guidance Collision Icons for Visual Accident Risk Display
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Solution Overview
Problem
Existing navigation systems fail to visually convey the risk of accidents along a route effectively, making it difficult for drivers to recognize potential hazards.
Innovation Solution
A navigation system that estimates the risk of accidents using geometric features, traffic conditions, weather information, and historical data, and displays objects indicating collision targets with animation and varying numbers to represent the risk level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If text or symbols are used to indicate places requiring caution, then the navigation system can provide safety information, but the level of risk is hard to be visually recognized
Solution Approach 1:
The patent applies color changes to icons representing collision targets to indicate different risk levels. High-risk targets are displayed in red, medium-risk in yellow, and low-risk in green, enabling intuitive visual recognition of accident risk levels without requiring additional text or symbols
Solution Approach 2:
The patent adds a visual dimension to risk communication by using animated icons that move along the route path. The animation creates a dynamic visual effect that draws attention to high-risk areas, transforming static risk information into an engaging visual experience that enhances driver awareness
2Ease of manufacture
If multiple objects are displayed to indicate high risk, then the risk level becomes more visible, but the display complexity increases
Solution Approach 1:
The patent applies different visual properties (color, animation) to icons based on their specific risk level rather than uniformly treating all icons the same. This localized differentiation allows the system to convey complex risk information using simple, consistent icon elements, avoiding the need for multiple different icon types
Data Source
AI summary
A navigation system, including: a memory; a display; and a processor coupled to the memory and to the display, the processor being configured to: at a time of route guidance for a host vehicle, estimate an aspect of an accident at a vicinity of the route and a risk of the accident; and control the display so as to display objects indicating a collision target corresponding to the aspect of the accident, with a number of the objects corresponding to a level of the risk.