AR Lane Change Display for Safer Adjacent Lane Decisions
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Solution Overview
Problem
There is a need to provide a method for operating a driver information system in an ego vehicle that allows drivers to easily determine whether a safe lane change can be performed, as existing systems do not effectively inform drivers about the safety of lane changes, particularly in complex driving situations such as negotiating curves or when encountering other road users.
Innovation Solution
The method involves detecting environment data using sensors and map data to determine if a lane change is safe, and generating a driver information display with graphic elements that represent the current and adjacent lanes, including road users, to provide clear and intuitive information about the safety of lane changes, using augmented reality displays to project this information directly into the driver's field of vision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional driver assistance systems are used, then basic driving information is provided, but drivers cannot easily determine whether a safe lane change can be performed
Solution Approach 1:
The patent applies color changes to graphic elements in the driver information display to indicate lane change safety. Adjacent lane objects are displayed in different colors (e.g., green for safe, red for unsafe) based on the evaluated safety status, allowing drivers to quickly assess lane change feasibility without complex information processing.
Solution Approach 2:
The patent transitions from traditional 2D displays to an augmented reality overlay that projects 3D-like graphic elements directly into the driver's field of vision. This spatial dimensionality enhancement allows intuitive understanding of lane positions and safety status without requiring driver attention shifts.
2Reliability
If comprehensive driver information is provided, then driving safety is improved, but the system complexity increases
Solution Approach 1:
The patent segments driving information into distinct graphic elements representing different aspects (current lane, adjacent lanes, road users, safety status). Each element is independently rendered and positioned in the augmented reality display, allowing comprehensive information presentation while maintaining system modularity and manageability.
Solution Approach 2:
The patent introduces a virtual reality intermediary layer that mediates between raw sensor data and driver perception. This intermediary processing layer transforms complex environmental data into simplified graphic representations, reducing the complexity burden on both the driver and the overall system architecture.
3Object-affected harmful factors
If detailed lane change safety information is provided, then collision risk is reduced, but driver attention is diverted from the road
Solution Approach 1:
The patent overlays graphic elements in the third dimension (augmented reality space) directly onto the driver's view of the real road environment. This eliminates the need for driver attention shifts to separate displays, as safety information is integrated into the natural field of vision while maintaining spatial context.
Solution Approach 2:
The patent merges the virtual information layer with the real-world visual field, combining safety indicators with the actual road scene. This integration allows drivers to perceive lane change safety information without separating their attention from the road, as both real and virtual elements coexist in the same visual space.
Data Source
AI summary
In a method for operating a driver information system in an ego vehicle, environment data are detected in an environment of the ego vehicle. By using the environment data, it is determined whether a lane change of the ego vehicle from a current lane to an adjacent, additional lane may be safely carried out. A driver information display is generated and output, wherein the driver information display comprises a graphic adjacent lane object that represents the adjacent additional lane. The adjacent lane object has a graphic depiction feature that is generated according to whether the lane change may be safely carried out.