Augmented Reality Viewer Registration for Shared Local Content
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Solution Overview
Problem
Existing augmented reality viewers struggle to synchronize local content display for multiple users in the same location, hindering collaboration and shared experiences.
Innovation Solution
A viewing system with augmented reality viewers that utilize a network-connected belt pack and head unit, incorporating a 6dof controller, SLAM system, and uniform coordinate system alignment to ensure synchronized display of local content across multiple users by transforming local coordinate frames to a unified system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If each augmented reality viewer displays its own local content independently, then each user has personalized content display, but multiple users cannot see the same local content in the same location
Solution Approach 1:
The patent introduces a coordinate registration system that acts as an intermediary between multiple AR viewers. Each viewer determines its location and orientation relative to a common coordinate system by detecting fiducial markers in the shared environment. This intermediary coordinate system enables synchronized display of local content at the same physical location for multiple users while preserving individual viewing perspectives.
2Ease of operation
If augmented reality viewers use different coordinate systems, then each viewer can independently track local content, but alignment of virtual content with real-world objects becomes inconsistent across users
Solution Approach 1:
The patent establishes a common coordinate system that serves as a reference frame for all AR viewers in the group. Each viewer determines its pose (location and orientation) relative to this common coordinate system by detecting fiducial markers. This creates an equipotential reference framework where all users share the same spatial understanding, enabling accurate alignment of virtual content with real-world objects across all devices.
Solution Approach 2:
The system uses fiducial markers as feedback references. Each AR viewer continuously detects the position and orientation of fiducial markers in the environment to determine its own pose relative to the common coordinate system. This feedback mechanism allows each device to independently track and adjust its coordinate transformation, ensuring accurate alignment without requiring direct device-to-device synchronization.
3Adaptability or versatility
If multiple users collaborate on shared content, then collaboration and shared experiences are enhanced, but synchronization of local content display across devices becomes complex
Solution Approach 1:
Each AR viewer independently determines its own location and orientation relative to the common coordinate system by autonomously detecting fiducial markers in the environment. Each device performs self-calibration and self-positioning without requiring complex inter-device communication or centralized control. This self-service approach simplifies the overall system architecture while enabling synchronized collaborative experiences.
Data Source
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AI summary
A method of viewing image data of local content is disclosed. An augmented reality view is created by storing a first device coordinate frame (DCF), moving a first registration marker to select a first feature point (FP1) and a second feature point (FP2) on at least one real-word object viewable by the user through a display. A uniform coordinate system (UCS) alignment module stores locations of the registration marker when selecting the FP1 and the FP2, determines a user coordinate frame (UCF) based on the locations of the first registration marker when selecting the FP1 and the FP2, transforms the DCF to the UCF and displays image data of local content received on a first data source with a projector through the display to the user based on the transformation from the first DCF to the first UCF.