AR Headset Collaboration Using Shared 3D Coordinate Matching
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Solution Overview
Problem
Existing augmented reality (AR) technologies for medical collaboration lack efficient and secure methods for multiple users to share aligned image data sets with a patient's body in real-time, particularly in medical procedures, without requiring complex network setups or high-bandwidth data transfer.
Innovation Solution
A system using AR headsets enables secure collaboration by detecting shared 3D coordinate spaces, verifying user proximity, and allowing users to join collaboration groups through Bluetooth signals, optical codes, and 3D coordinate matching, facilitating seamless sharing of image data set views aligned with a patient's body without extensive data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple users share aligned image data sets in real-time using existing AR technologies, then collaboration capability is improved, but network complexity and bandwidth requirements increase
Solution Approach 1:
The patent segments the collaboration system into multiple independent AR headsets, each maintaining its own local copy of the aligned image data set. Instead of one central server managing all data, each device operates autonomously with synchronized spatial references, dividing the system into independent functional units that reduce network dependency
Solution Approach 2:
Each AR headset creates and maintains a local copy of the aligned image data set and spatial reference information. Rather than streaming data between devices, each user's headset contains a complete local replica, eliminating the need for continuous high-bandwidth data transfer while maintaining real-time collaboration capability
2Adaptability or versatility
If multiple users share aligned image data sets in real-time using existing AR technologies, then collaboration capability is improved, but data transfer bandwidth requirements increase
Solution Approach 1:
Each AR headset creates and maintains a local copy of the aligned image data set and spatial reference information. Rather than streaming data between devices, each user's headset contains a complete local replica, eliminating the need for continuous high-bandwidth data transfer while maintaining real-time collaboration capability
Solution Approach 2:
The aligned image data sets and spatial references are pre-synchronized to all participating AR headsets before the collaboration session begins. This preliminary distribution of data eliminates the need for continuous real-time data transfer during the procedure, as each device already has the necessary information locally stored
3Reliability
If secure verification of user proximity is implemented using Bluetooth signals and optical codes, then security is improved, but device complexity increases
Solution Approach 1:
The patent employs Bluetooth signals and optical codes that are already integrated into most modern AR headsets and mobile devices. These existing components serve multiple functions: device pairing, proximity verification, and collaborative session initiation. By reusing existing multi-functional components rather than adding dedicated verification hardware, the system achieves enhanced security without proportionally increasing device complexity
Data Source
AI summary
Technology is described for a method of enabling a joining user to share a collaboration group, which includes at least one collaboration user. The collaboration group may jointly view an image data set aligned with a body of a person using AR headsets. The method may include detecting a topology of an operating room using a sensor of the joining user's AR headset. The topology of the operating room recorded by the joining user's AR headset may be compared to an operating room topology previously recorded for the collaboration group to determine whether the joining user and the collaboration group are occupying the same operating room. The joining user may be allowed to join the collaboration group, based in part on the same operating room being detected.