AR Content Update Suspension for View Locking
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Solution Overview
Problem
Handheld augmented reality (AR) devices face compatibility issues due to their natural downward viewing posture, which disrupts the precision of location and pose-dependent AR content selection, leading to misalignment of virtual augmentations with real-world objects, causing confusion and potential misinformation, especially in industry applications where accuracy is critical.
Innovation Solution
A locked view capability is introduced, allowing users to suspend updates based on changes in location and pose, enabling users to interact with AR content in a more natural position without losing access, by freezing the AR content and allowing interaction with data behind AR objects, and resuming updates when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If AR content updates continuously based on location and pose changes, then the semantic context accuracy is improved, but the user interaction comfort deteriorates due to natural downward viewing posture disruption
Solution Approach 1:
The system dynamically switches between two operational modes: locked view mode for comfortable interaction and updated view mode for accurate semantic context. The view locking mechanism allows the system to adapt its behavior based on user needs, transitioning between frozen and updated states as required by different interaction scenarios.
Solution Approach 2:
The view locking mechanism acts as an intermediary between the AR content update system and the user interaction system. It mediates the conflict by allowing temporary suspension of updates during comfortable interaction postures while maintaining the ability to resume accurate context when needed.
2Manufacturing precision
If the AR viewing frustum is continuously updated based on location and pose, then the accuracy of virtual augmentation alignment is improved, but the reliability of AR content selection deteriorates due to downward viewing posture
Solution Approach 1:
The system dynamically adjusts the viewing frustum update behavior based on detected user posture and interaction context. In locked view mode, the frustum remains static to maintain reliable content selection for comfortable interaction, while in updated view mode, it dynamically tracks location and pose changes for precise alignment.
Solution Approach 2:
The system changes the parameter of view update frequency and behavior based on operational context. By switching between locked and updated states, the system adjusts the temporal and spatial parameters of AR content selection to match the user's interaction needs, ensuring both reliability and precision in appropriate contexts.
3Ease of operation
If AR content is frozen during locked view mode, then the ease of operation is improved for data interaction, but the productivity deteriorates due to inability to respond to location changes
Solution Approach 1:
The system implements periodic suspension and resumption of view updates based on detected user actions. During locked view mode, updates are periodically suspended to maintain stable data interaction, and automatically resumed when user actions indicate a need for updated content, balancing ease of operation with necessary responsiveness.
Solution Approach 2:
The system uses feedback from user interactions and environmental changes to automatically switch between locked and updated modes. When users interact with AR objects or when location/pose changes exceed thresholds, the system receives feedback and adjusts the view update behavior accordingly, maintaining both operational ease and content responsiveness.
Data Source
AI summary
Embodiments involve selective updating and suspension of updates to augmented reality (AR) content.