Rear-View Camera 3D Overlay for Intuitive Parking Guidance
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Solution Overview
Problem
Existing parking guidance systems are not intuitive for selecting the initial position during reverse parking, leading to excessive complexity and confusion for drivers, especially when maneuvering into longitudinal or lateral parking spaces.
Innovation Solution
A method and device using a rear-view camera system that overlays 3D symbols and a parking frame onto the vehicle's display to assist drivers in determining the parking position, with color changes indicating suitable steering angles and auxiliary lines guiding the driver through the parking process without requiring high computing power or image evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If complex image evaluation and analysis methods are used for parking guidance, then measurement precision and reliability improve, but device complexity and computing power requirements increase
Solution Approach 1:
The patent creates a virtual 3D model of the parking space that mirrors the real physical space. This virtual copy includes virtual boundary lines, virtual vehicle position, and virtual steering angle indicators that correspond to real-world elements, allowing drivers to understand parking geometry without complex image processing
Solution Approach 2:
The patent replaces complex mechanical/image processing systems with a simplified geometric calculation system. Instead of using cameras and image evaluation algorithms to analyze parking spaces, the system uses basic geometric relationships between virtual and real coordinates to determine parking feasibility and guide steering angles
2Ease of operation
If comprehensive parking guidance information is provided, then ease of operation improves, but device complexity and information processing requirements increase
Solution Approach 1:
The patent uses color-coded visual indicators to convey parking guidance information intuitively. The virtual parking frame boundary lines change color (e.g., green for suitable, red for unsuitable) based on parking feasibility, and steering angle indicators use color to show whether the current angle is appropriate, allowing drivers to quickly understand system feedback without complex displays
Solution Approach 2:
The patent divides the parking guidance information into distinct visual segments: virtual boundary lines defining the parking space, virtual vehicle position showing current location, steering angle indicators showing required angle, and suitability indicators showing whether parking is feasible. This segmentation presents comprehensive information in an organized, easy-to-understand manner without overwhelming the driver
Data Source
AI summary
A method for assisting a reverse parking maneuver of a motor vehicle equipped with a rear-view camera system into a longitudinal parking space, wherein the image of the surroundings to the rear of the motor vehicle is displayed on a display of the motor vehicle. For the determination of the parking position on both sides of the vehicle, two 3D symbols, in particular 3D cuboids, are respectively blended into the image of the rear-view camera system, wherein the distance between two 3D symbols corresponds to one side of a minimum parking space for the motor vehicle.