Vehicle AR Windshield Overlays for Real-Time Environmental Cues
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Solution Overview
Problem
Current graphical overlay technologies for vehicles lack the ability to effectively overlay and modify information related to the environment perceived through transparent surfaces, such as windshields, especially in real-time, failing to provide comprehensive and dynamic augmented reality displays that enhance driver situational awareness and navigation.
Innovation Solution
An augmented reality display system integrated into vehicles, utilizing a combination of external and internal sensors to generate dynamic, three-dimensional representations of vehicle speed, environmental objects, and navigation routes on transparent surfaces, allowing for real-time adjustments based on vehicle speed, environmental conditions, and personal data to enhance driver awareness and navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If graphical overlays are provided on transparent surfaces in real-time, then driver situational awareness is enhanced, but device complexity increases
Solution Approach 1:
The system segments the augmented reality display into multiple independent graphical overlay layers, each handling different types of information (navigation, vehicle data, environmental data). This allows complex information to be presented in manageable, non-interfering segments that can be processed and rendered independently, reducing overall system complexity while maintaining comprehensive driver awareness.
Solution Approach 2:
The transparent surface display system is designed to perform multiple functions simultaneously: displaying navigation routes, showing vehicle speed and status, presenting environmental information, and providing warnings. This multi-functionality consolidates what would otherwise require multiple separate display systems into a single integrated solution, enhancing driver awareness without proportionally increasing complexity.
2Loss of information
If dynamic three-dimensional representations are generated on transparent surfaces, then information relevance is improved, but manufacturing precision requirements increase
Solution Approach 1:
The system transitions from traditional two-dimensional flat displays to three-dimensional spatial representations that leverage the transparent surface's depth capability. Graphical overlays are positioned at different virtual depths and angles to create immersive, contextually relevant information presentation. This dimensional enhancement improves information relevance by providing spatial context while the software-based rendering approach avoids stringent manufacturing precision requirements.
Solution Approach 2:
The system dynamically changes multiple parameters of the graphical overlays including position, size, orientation, transparency, and color based on driving conditions, vehicle speed, and environmental factors. This parametric flexibility allows the display to adapt to various scenarios without requiring precise physical manufacturing adjustments, maintaining information relevance across diverse operating conditions.
3Adaptability or versatility
If real-time adjustments are made based on environmental conditions, then adaptability is improved, but use of energy increases
Solution Approach 1:
The system implements periodic sensing and display updating at optimized intervals rather than continuous operation. Sensors periodically scan environmental conditions, and the graphical overlays are refreshed at rates matched to driver perception needs and changing conditions. This periodic approach maintains environmental adaptability while significantly reducing energy consumption compared to continuous real-time processing.
Solution Approach 2:
The system incorporates feedback mechanisms where sensors continuously monitor environmental conditions, vehicle state, and driver behavior, then adjust the graphical overlay content and parameters accordingly. This feedback loop enables the system to adapt to environmental changes only when necessary, optimizing energy usage by avoiding unnecessary display updates while maintaining high adaptability to relevant conditions.
Data Source
AI summary
An augmented reality display system included in a vehicle generates an augmented reality display, on one or more transparent surfaces of the vehicle. The augmented reality display can include an indicator of the vehicle speed which is spatially positioned according to the speed of the vehicle relative to the local speed limit. The augmented reality display can include display elements which conform to environmental objects and can obscure and replace content displayed on the objects. The augmented reality display can include display elements which indicate a position of environmental objects which are obscured from direct perception through the transparent surface. The augmented reality display can include display elements which simulate one or more particular environmental objects in the environment, based on monitoring manual driving performance of the vehicle by a driver. The augmented reality display can include display elements which identify environmental objects and particular zones in the environment.