AR Driver Assistance With Predicted Vehicle Path Feedback
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Solution Overview
Problem
Existing Advanced Driver Assistance Systems (ADAS) provide non-intuitive feedback to drivers in risky scenarios, often failing to show the consequences of their actions and only reacting after the risk is detected, leading to delayed driver responses.
Innovation Solution
The implementation of an augmented reality (AR) system that displays a virtual vehicle representing the future state of the actual vehicle, integrated with a risk prediction system using 3D maps and vehicle dynamics, to provide real-time feedback on potential risks and their consequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If existing ADAS provides feedback in the form of arrows, icons or numbers, then the system complexity is reduced, but the intuitiveness and ease of understanding for the driver deteriorates
Solution Approach 1:
The patent creates a virtual vehicle that is a visual copy of the real vehicle, displaying it on the HUD to represent future predicted states. This copy provides intuitive feedback by showing the driver exactly where the vehicle will be positioned, eliminating the need to interpret abstract icons or numbers while maintaining system simplicity.
Solution Approach 2:
The patent transitions from 2D abstract representations (icons, arrows, numbers) to a more immersive visualization by projecting the virtual vehicle onto the windshield in a way that overlays it with the real-world view. This dimensional enhancement provides spatial context and improves intuitiveness without significantly increasing system complexity.
2Speed
If existing ADAS provides feedback only when the risky event is detected, then the system responsiveness is improved, but the driver reaction time deteriorates
Solution Approach 1:
The patent implements a prediction mechanism that calculates and displays the virtual vehicle's future position before the risky event actually occurs. By showing the driver where the vehicle will be in the near future based on current trajectory and environmental factors, the system provides advance warning, allowing the driver to react proactively rather than reactively.
Solution Approach 2:
The patent creates a closed-loop feedback system where the virtual vehicle's position is continuously updated based on real-time vehicle state and environmental data. This predictive feedback loop allows the driver to see the consequences of current driving actions before they materialize, enabling timely corrective maneuvers.
3Loss of information
If existing ADAS highlights environmental elements without showing consequences, then the information processing load is reduced, but the driver's ability to appreciate future risk deteriorates
Solution Approach 1:
The patent uses a virtual vehicle copy to demonstrate the consequences of current driving actions. Instead of merely highlighting environmental elements like other vehicles or obstacles, the system shows the driver where their own vehicle will be positioned relative to these elements, making the potential collision or risky situation tangible and comprehensible.
Solution Approach 2:
The patent performs preliminary risk assessment by predicting the virtual vehicle's future position and comparing it with environmental obstacles. This advance calculation allows the system to present concrete risk scenarios to the driver before the actual risky event occurs, improving risk appreciation without overwhelming the driver with raw data.
Data Source
AI summary
The present disclosure describes systems and methods for providing driver assistance. A current vehicle state of a vehicle at a current timestep and an environment map representing an environment of the vehicle at least at the current timestep are obtained. Augmented reality feedback is generated including a virtual vehicle representing a predicted future vehicle state, where the predicted future vehicle state is predicted for a given future timestep based on at least one of the current vehicle state or the current environment. The generated augmented reality feedback including the virtual vehicle is outputted to be displayed by a display device.