3D Animated Turn Previews for Vehicle Navigation
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Solution Overview
Problem
Current vehicle navigation systems fail to provide clear and understandable route guidance, particularly at turns, and often compromise driver safety by interrupting the user with navigational instructions at inopportune moments.
Innovation Solution
A vehicle navigation system that uses three-dimensional animated previews of upcoming turns, allowing users to select and preview turns through steering wheel controls or voice commands, with vantage points adjusted to avoid obstructions, and displaying previews only when the vehicle is stopped to ensure safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional 2D map displays are used for navigation instructions, then the system is simple and easy to implement, but the user understanding of turn instructions is insufficient and unclear
Solution Approach 1:
The patent transitions from traditional 2D map displays to 3D animated previews, adding a spatial dimension to navigation instructions. This dimensionality change provides users with realistic spatial context and visual depth, making turn instructions much clearer and easier to understand while maintaining system manageability through software-based rendering.
Solution Approach 2:
The system creates simplified 3D model copies of the actual turn location and surrounding environment. These digital twins provide realistic visual representation without requiring full-scale physical models, balancing information quality with system complexity by using scaled-down but accurate representations.
2Loss of information
If navigation instructions are provided continuously during driving, then the user receives complete guidance, but driver safety is compromised due to distractions
Solution Approach 1:
The system provides 3D animated previews of upcoming turns before the driver needs to execute them. This advance visualization allows drivers to mentally prepare for the maneuver in advance, reducing the cognitive load during actual driving. The preview is shown at an optimal time when the driver can absorb the information without immediate pressure to react.
Solution Approach 2:
Instead of continuous navigation instructions, the system uses periodic, event-triggered previews that appear only at relevant moments (approaching turns). This intermittent display pattern reduces overall distraction while ensuring complete guidance is provided at critical decision points, balancing information delivery with driver safety.
3Ease of operation
If standard navigation displays are used, then the device complexity is low, but the ease of operation for understanding turns is poor
Solution Approach 1:
By rendering navigation instructions in 3D space rather than 2D, the system provides intuitive spatial relationships and visual depth that naturally improve user comprehension. The third dimension allows users to perceive turn angles, distances, and surrounding features more accurately, making the interface more self-explanatory despite increased rendering complexity.
Solution Approach 2:
The system uses curved, realistic road geometries and perspectives in the 3D previews rather than straight-line abstractions. This curvature and perspective realism mirrors the actual driving experience, making it easier for users to mentally map the instructions to real-world conditions and improve operational ease.
Data Source
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AI summary
An interactive vehicle navigation system for previewing turns for a user using animations that show realistic, three-dimensional views of the locale of turns. The previews show a user how the locale of the turns will appear as the instructions are followed. A vantage of the preview is adjusted to promote clear views of the locale. User controls enable a driver to view previews at times that are safe and convenient for the driver and are located in positions that promote driver convenience and safety.