Windshield Attention Cues for Directional Hazard Awareness
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Solution Overview
Problem
Existing attention calling systems for vehicle operators often distract by displaying multiple contour images of traffic participants on the windshield, leading to attention diversion and increased risk of overlooking critical objects in the environment.
Innovation Solution
An attention calling system that uses a light projection device to display a visual display on the interior structure of a moving body, such as a windshield, with a detection unit to identify objects likely to contact the vehicle and project a visual cue in a horizontally extending belt-like range, accompanied by sound alerts to orient the operator's attention without overlaying images on real objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple contour images of traffic participants are displayed on the windshield, then the operator's attention to various objects is improved, but the operator's attention is distracted
Solution Approach 1:
The patent extracts only the essential directional information (horizontal position) from the full object data and displays it as simplified visual indicators on the windshield. Instead of showing complete contour images of all traffic participants, the system projects minimal visual cues at horizontal positions corresponding to object directions, thereby providing necessary attention-calling information while minimizing visual distraction.
Solution Approach 2:
The patent applies different display strategies based on the specific characteristics of each detected object. The visual display system adjusts the horizontal position and potentially the intensity of indicators according to the direction and nature of each object, providing localized attention cues rather than uniform displays across the entire windshield.
2Loss of information
If contour images are overlaid with real traffic participants, then the operator can see both the display and real objects, but the operator's attention is diverted
Solution Approach 1:
The patent creates simplified visual copies (horizontal position indicators) of the real traffic participants rather than displaying detailed contour images. These indicators are projected at horizontal positions that correspond to the directions of the detected objects, providing the operator with directional information without creating complex visual overlays that would distract from the real scene.
3Ease of operation
If visual displays are projected on the windshield, then the operator can see the display without leaving the driving position, but the display may obscure the real environment
Solution Approach 1:
The patent applies partial action by displaying visual indicators only at specific horizontal positions corresponding to detected objects, rather than covering the entire windshield. This selective display approach provides necessary information while leaving most of the windshield clear for viewing the real environment, thus balancing information provision with environmental visibility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively calls the operator's attention to various real objects in the environment without distracting them, reducing the risk of overlooking critical traffic participants and enhancing focus on potential collision hazards.
Implementation Method 1
a light projection device which outputs a visual display visually recognizable by an operator of the moving body on an interior structure of a moving body
Data Source
AI summary
The attention calling system includes a detection unit for detecting an object around a moving body, and a attention calling unit for outputting a visual display in a horizontally extending belt-like range on an interior structure of the moving body using a light projection device. The attention calling unit outputs the visual display in the belt-like range at a position corresponding to a direction of the object.