Head-Up Display Vehicle Mark Visibility Adaptation
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Solution Overview
Problem
Existing head-up displays degrade visibility by truncating or reducing the size of preceding vehicle marks when the vehicle is at a distance or position that causes the mark to deviate from the display region, especially during sharp turns or when the vehicle is far away, leading to reduced visibility of critical driving information.
Innovation Solution
A method and apparatus that photograph the front image, perform image analysis to determine the position of the preceding vehicle within the augmented reality display region, and control the display attributes such as position, size, and form of the preceding vehicle information based on its position, ensuring optimal visibility by adjusting the display settings when the vehicle is at the edge or outside the display region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the head-up display adjusts the mark size based on the vehicle width of the preceding vehicle, then the display adapts to different vehicle sizes, but the visibility degrades when the preceding vehicle is far away and the mark size becomes too small
Solution Approach 1:
The patent changes the display parameters (mark size, position) based on the detected position of the preceding vehicle. When the vehicle is far away, the system increases the mark size and adjusts its position to maintain visibility, rather than strictly scaling with vehicle width. This resolves the contradiction by prioritizing visibility over strict size adaptation when distance is involved.
2Illumination intensity
If the head-up display increases the mark size when the preceding vehicle approaches, then the visibility improves, but the mark deviates from the eyebox and gets truncated
Solution Approach 1:
The patent implements dynamic positioning of the mark within the eyebox based on the preceding vehicle's position. When the vehicle approaches, the system dynamically adjusts the mark's position to keep it centered in the eyebox while maintaining appropriate size, preventing truncation. This resolves the contradiction by making both size and position adjustable rather than fixed.
3Device complexity
If the head-up display maintains a fixed mark position, then the display is simple to implement, but the mark gets truncated when the vehicle drives around sharp curves
Solution Approach 1:
The patent uses feedback from the front camera to continuously monitor the position of the preceding vehicle and adjusts the mark position accordingly. When the vehicle moves or the road curves, the system receives feedback about the vehicle's new position and repositions the mark to prevent truncation. This resolves the contradiction by implementing a feedback-based adaptive system rather than a fixed display.
Data Source
AI summary
A method for displaying vehicle information includes: photographing a front image of a driver's own vehicle at a time of driving with a cruise control feature activated; overlappingly matching the front image with an augmented reality display region of a head-up display; performing image analysis on the front image after the front image matches the augmented reality display region; determining a position of a preceding vehicle within the augmented reality display region according to the image analysis result; and controlling a display of the preceding vehicle information according to the position of the preceding vehicle.