Trackable Object Pose Transmission for Accurate AR Scene Rendering
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Solution Overview
Problem
Existing systems struggle to accurately track and render virtual content in augmented reality environments, particularly in determining the position and interaction of trackable objects within a user-realistic scene.
Innovation Solution
A wireless transmit/receive unit (WTRU) determines a trackable object and its identifier from a scene description file, transmitting configuration information to a server which generates rendering information based on this identifier, allowing for precise mapping and interaction of the object within the scene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the WTRU determines and transmits configuration information including object identifiers for trackable objects, then the accuracy of virtual content rendering is improved, but the amount of data transmitted and processed increases
Solution Approach 1:
The patent extracts only the essential configuration information (object identifiers) from the complete scene description file and transmits only this extracted subset to the server. This selective extraction reduces the data volume transmitted while maintaining the accuracy needed for virtual content rendering, as the server can use these identifiers to retrieve or generate appropriate rendering information without receiving the entire scene file.
2Manufacturing precision
If the server generates rendering information based on object identifiers, then the precision of virtual content placement is improved, but the processing complexity on the server increases
Solution Approach 1:
The server performs preliminary processing by pre-generating or pre-organizing rendering information associated with object identifiers before receiving requests from the WTRU. This allows the server to quickly retrieve or assemble rendering information based on the received identifiers without performing complex real-time processing, thus maintaining high rendering precision while reducing the complexity of on-demand processing.
3Measurement precision
If the system establishes mapping between object identifiers and spatial identifiers, then the accuracy of spatial relationships is improved, but the complexity of the mapping system increases
Solution Approach 1:
The patent implements a universal mapping mechanism where object identifiers serve multiple functions: they uniquely identify trackable objects, enable retrieval of rendering information, and establish spatial relationships through association with spatial identifiers. This multi-functional use of a single identifier system reduces the need for separate complex mapping structures while maintaining accurate spatial relationships for virtual content placement.
Data Source
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AI summary
Disclosed herein are systems, methods, and instrumentalities associated with the transmission of poses for one or more trackable objects in a scene. A WTRU may determine one or more trackable objects associated with the scene, determine one or more parameters associated with the one or more trackable objects, and transmit pose information associated with the one or more trackable objects to a server. The one or more trackable objects may include a floor in the scene or a marker in the scene. The one or more parameters may include an identifier of a space associated with the one or more trackable objects, respective identifiers of the one or more trackable objects, and/or respective types of the one or more trackable objects. The WTRU may transmit the pose information associated with the one or more trackable objects together with pose information associated with a view, or separately from the pose information associated with the view.