XR Spatial Synchronization for Accurate Digital Twin Mapping
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Solution Overview
Problem
Current virtual reality and augmented/mixed reality systems lack platform agnosticism, positional accuracy, rotational accuracy, scale accuracy, and effective methods for mapping physical locations to create digital twins, leading to inefficiencies and user frustration due to the need for repeated mapping and limited interaction capabilities.
Innovation Solution
A platform agnostic system for spatial synchronization of physical and virtual locations using XR headsets and controllers, enabling accurate mapping, interaction, and real-time control through voice, gesture, and controller commands, allowing local and remote users to interact seamlessly in a shared XR environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If visual-based mapping is used to create virtual boundaries, then setup time is reduced, but positional and rotational accuracy deteriorates
Solution Approach 1:
The patent replaces visual-based manual mapping with acoustic-based automated mapping using time-of-flight measurements. Sound waves propagate through the physical environment and reflect off surfaces, providing precise spatial data without requiring visual line-of-sight. This acoustic field substitution enables accurate boundary detection while maintaining rapid setup.
Solution Approach 2:
The patent introduces sound waves as an intermediary medium to transfer spatial information from the physical environment to the virtual representation. By using acoustic reflections as a mediator, the system achieves both speed (automated detection) and precision (accurate time-of-flight measurements) simultaneously.
2Adaptability or versatility
If manual wall placement is used to define virtual boundaries, then flexibility is improved, but time consumption increases
Solution Approach 1:
The system performs automated environmental scanning and boundary detection without requiring manual intervention. The acoustic sensors automatically detect walls, obstacles, and spatial features, and the system self-generates the virtual boundary representation. This self-service approach maintains flexibility in adapting to any room layout while dramatically reducing mapping time.
Solution Approach 2:
The system performs preliminary acoustic scanning of the environment before virtual boundary definition. By pre-detecting all spatial features through sound wave propagation and reflection analysis, the system prepares complete spatial data in advance, enabling rapid boundary creation without subsequent manual adjustments.
3Device complexity
If platform-specific XR systems are used, then device integration is simplified, but cross-platform compatibility deteriorates
Solution Approach 1:
The patent implements a universal acoustic mapping system that functions across multiple XR platforms (VR, AR, MR, standalone headsets, mobile devices). The core acoustic field detection and time-of-flight measurement mechanisms are platform-agnostic, enabling the same system to operate on diverse hardware without requiring platform-specific adaptations.
Solution Approach 2:
The patent extracts the acoustic mapping functionality from platform-specific implementations and creates a standalone, platform-independent core system. By separating the acoustic sensing and processing logic from any particular XR platform, the system achieves cross-platform compatibility while maintaining relatively simple device integration through standardized interfaces.
4Reliability
If persistent spatial mapping is implemented, then user experience continuity is improved, but data storage requirements increase
Solution Approach 1:
The patent extracts only the essential spatial boundary information needed for session continuity, storing minimal data representing virtual walls and obstacles. By extracting and storing only critical spatial features rather than complete environmental models, the system maintains user experience continuity across sessions while minimizing data storage requirements.
5Adaptability or versatility
If multiple users are tracked simultaneously, then social interaction capability is improved, but system complexity increases
Solution Approach 1:
The patent merges multiple user tracking functions into a unified acoustic field-based system. By using a single acoustic sensing infrastructure to detect and track multiple users simultaneously, the system achieves multi-user interaction capability without proportionally increasing complexity. The acoustic field naturally provides spatial information for all users in the environment through a unified measurement approach.
Data Source
AI summary
A computer implemented platform agnostic system for spatial synchronization of physical and virtual locations that provide user experiences to be created or where local and remote users can interact. The system having a central server, at least one XR headset connected to the central server, and instructions executable on the server and XR headset for mapping a physical location into a digital twin or shared XR virtual environment; mapping a shared XR virtual environment; interacting with the one or more than one shared XR virtual environment; tracking one or more than one user accurately in both the physical and the one or more than one XR virtual environment without needing expensive equipment external to the one or more than one users' XR headset integrated display system, wherein the executable instructions are platform agnostic; and controlling the XR virtual environment, assets, content, theme, script/narrative, and interactions in real-time.