Windshield Route Guidance Display for Intuitive Path Changes
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Solution Overview
Problem
Existing vehicle display systems fail to intuitively guide occupants to planned path change points, such as turns or lane changes, making it difficult for them to grasp the vehicle's route effectively.
Innovation Solution
A vehicle display control system that includes a relay point information acquisition section that acquires relay point information along a planned travel route and displays an image superimposed on a foreground in front of the occupant, directed towards a planned path change point along an imaginary line connecting these relay points, with priority settings to manage data size and importance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If relay point information for all points along the planned travel route is acquired and displayed, then the occupant can comprehensively understand the route, but the data size becomes excessively large and affects other information processing
Solution Approach 1:
The patent extracts only the necessary relay point information (those requiring path changes) from the complete route data, rather than processing all relay points. This selective extraction reduces data size while maintaining essential route guidance functionality.
Solution Approach 2:
The patent segments the continuous route information into discrete, manageable relay point units. By dividing the route into individual relay points with specific attributes (path change requirements, distance, direction), the system can selectively process and display only relevant segments, optimizing data efficiency.
2Quantity of substance
If relay point information is deleted to reduce data size, then data processing efficiency improves, but important route information may be lost
Solution Approach 1:
The patent applies different processing qualities to different relay points based on their local characteristics. Relay points requiring path changes are preserved with high quality detail, while unnecessary points are removed. This localized quality differentiation ensures critical information is retained while reducing overall data volume.
Solution Approach 2:
The patent performs preliminary analysis and filtering of relay point information before display, identifying and removing unnecessary data points in advance. This preliminary action prevents important information from being accidentally deleted and ensures only relevant data is processed further.
3Loss of information
If guidance marks are displayed on the road surface before and after the guidance point, then the route information is provided, but the occupant cannot intuitively grasp the route to the planned path change point
Solution Approach 1:
The patent transitions from two-dimensional road surface markings to three-dimensional virtual arrow markers that appear to float in the driver's field of view through the windshield. This dimensional change provides better depth perception and spatial orientation, making the route guidance more intuitive and easier to understand.
Solution Approach 2:
The patent creates virtual copies of directional indicators (arrows) that are superimposed on the real-world view through the windshield. These virtual arrow markers replicate the guidance function of traditional road markings but with enhanced visibility, positioning, and intuitiveness, allowing the driver to naturally understand the intended path.
Data Source
AI summary
A vehicle display control device includes: a processor, the processor being configured to: acquire relay point information related to a plurality of relay points that have been set at intervals along a planned travel route of a vehicle; and display, so as to be superimposed on a foreground in a display region provided in front of an occupant, an image directed toward a planned path change point along an imaginary line connecting the relay points.