Method to manage interactions in a multi-user XR application

By introducing multi-user condition parameters in the scene description file, the patent addresses the lack of multi-user interaction management in shared XR environments, enabling synchronized and coordinated actions among multiple users, thus enhancing the realism and interactivity of shared XR experiences.

WO2026153788A1PCT designated stage Publication Date: 2026-07-23INTERDIGITAL CE PATENT HOLDINGS SAS
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
INTERDIGITAL CE PATENT HOLDINGS SAS
Filing Date
2026-01-07
Publication Date
2026-07-23

AI Technical Summary

Technical Problem

Existing MPEG-SD specifications lack the necessary semantics to manage interactions involving multiple users in a shared extended reality (XR) environment, such as in virtual conferences, where actions should be executed based on the collective input or visibility of multiple users.

Method used

Introduce multi-user condition parameters in the scene description file, allowing the Scene Manager to handle interactions involving multiple users by specifying conditions like 'ALL', 'ONLYN', or 'ATLEASTN' users, and incorporating timers and user input triggers, visibility triggers, and proximity triggers to manage collective user actions.

Benefits of technology

Enables effective management of multi-user interactions in shared XR environments, ensuring synchronized and coordinated actions among multiple users, enhancing the realism and interactivity of shared XR experiences.

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Abstract

Some embodiments of a method may include: obtaining a scene description file corresponding to a shared scene environment; parsing the scene description file into one or more data structures; identifying elements of the shared scene environment that describe user interactions; determining which elements are related to only one user and which elements are related to multiple users; tracking, for each element related to multiple users, events referenced by the respective user interaction; detecting satisfaction of a multi-user condition corresponding to occurrence of the respective event by one or more users; and responsive to detecting the satisfaction of the multi-user condition, executing an action related to the identified element of the shared scene environment.
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