AR Head-Up Overlay for Intuitive Vehicle Hazard Guidance

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Solution Overview

Problem

Current augmented reality displays in vehicles require driver attention for cognitive interpretation, leading to potential misunderstandings and dangerous situations, especially in situations like narrow road sections due to insufficient emphasis on risk potentials.

Innovation Solution

The method calculates and overlays dynamic, spatially expanded animation graphics on a head-up display, using grid elements that move and aggregate to indicate urgency, such as an approaching wave, to enhance intuitive understanding of hazards like oncoming vehicles or narrowing roads, focusing the driver's attention on critical areas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If static information is displayed on the head-up display, then the driver receives information about driving conditions, but the driver requires cognitive interpretation which may lead to misunderstandings and dangerous situations

Engineering Contradiction:
Improveinformation interpretation accuracyVSAvoiddriver attention requirement
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent applies dynamics by transforming static information displays into dynamic animated graphics. The animation graphics exhibit physical behaviors such as movement, expansion, and aggregation that intuitively convey the urgency and nature of driving conditions without requiring cognitive interpretation. For example, grid elements that aggregate to form approaching wave patterns dynamically indicate oncoming vehicles, allowing drivers to immediately understand hazards through natural physical metaphors rather than static symbols.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent utilizes color changes as a key visual mechanism in the animation graphics. Different colors are assigned to represent different driving conditions and risk levels, with color transitions providing intuitive feedback about changing conditions. This allows drivers to quickly grasp the meaning of displayed information through universally recognizable color associations rather than requiring interpretation of static graphical elements.

Inventive Principle:
Principle #32Color changes

2Loss of information

If detailed information about driving conditions is provided, then the driver receives comprehensive data, but the information is not sufficiently emphasized leading to potential misunderstandings of risk potentials

Engineering Contradiction:
Improverisk information completenessVSAvoidrisk emphasis accuracy
Core Design Contradiction:
Loss of informationVSMeasurement precision

Solution Approach 1:

The patent uses dynamic animation to emphasize risk potentials within comprehensive driving condition information. The animation graphics physically manifest the urgency and severity of risks through movement patterns, expansion rates, and aggregation behaviors. For instance, grid elements that rapidly aggregate to form approaching waves visually emphasize the immediacy of oncoming vehicle risks, while the dynamic nature of the animation naturally highlights critical information without requiring separate emphasis mechanisms.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent employs color changes to differentiate and emphasize various risk levels within the comprehensive information display. Different colors and color intensities are used to represent different degrees of risk, allowing drivers to quickly identify the most critical hazards among multiple pieces of information. This color-coding system provides precise risk emphasis through universally understood visual cues.

Inventive Principle:
Principle #32Color changes

3Ease of manufacture

If conventional display methods are used, then the system is simple to implement, but the driver requires cognitive interpretation which reduces safety

Engineering Contradiction:
Improvedisplay system complexityVSAvoiddriving safety
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent implements dynamic animation graphics that leverage natural physical metaphors to convey driving conditions intuitively. The animation system uses grid elements that move, expand, and aggregate according to physically intuitive patterns, allowing drivers to immediately understand hazards without cognitive interpretation. This approach maintains implementation feasibility while dramatically improving safety by replacing static symbolic displays with dynamic physical metaphors that the human brain processes instinctively.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent uses color changes as a straightforward visual mechanism to enhance safety without adding significant system complexity. By assigning specific colors to different driving conditions and risk levels, the system provides immediate, unambiguous information that reduces misinterpretation. This color-coding approach is easy to implement in existing display systems while substantially improving driver understanding and safety.

Inventive Principle:
Principle #32Color changes

Data Source

PatentUS11904688B2Method for calculating an AR-overlay of additional information for a display on a display unit, device for carrying out the method, as well as motor vehicle and computer program
Publication Date: 2024.02.20 VOLKSWAGEN AG
  • US11904688B2 patent drawing
  • US11904688B2 patent drawing
  • US11904688B2 patent drawing

AI summary

Technologies and techniques for calculating an overlay of additional information for a display on a display unit. The overlay of additional information may support the driver in the longitudinal control of a vehicle. The overlaying of the additional information may be configured in the form of augmented reality such that it is calculated in a contact analogue manner in relation to one or more objects in the environment of the vehicle. When approaching a vehicle, a spatially extended animation graphic is calculated, wherein the animation graphic has a grid shape consisting of a plurality of grid elements, which extends from the observer vehicle up to the oncoming or preceding vehicle. The spatial extension is calculated such that the driver of the observer vehicle (10) has the impression of a kinematic or dynamic movement of the spatial extension, such as translation and rotation.