XR Virtual Object Rendering on Physical Surfaces
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Solution Overview
Problem
Current techniques for rendering virtual objects in extended reality environments lack efficiency in utilizing geometric representations of physical surfaces, leading to resource-intensive rendering and potential lag when moving objects across complex surfaces.
Innovation Solution
The system determines the appropriate level of granularity for geometric representations of physical surfaces, using a less granular representation if normals are sufficiently similar and switching to a more granular representation when differences are detected, optimizing resource usage and maintaining realistic rendering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a more granular geometric representation is used for rendering virtual objects, then rendering precision and realism are improved, but resource consumption and processing time increase
Solution Approach 1:
The patent applies local quality by selecting different levels of geometric representation granularity based on the specific characteristics of each surface region. For flat surfaces, a less granular representation is used, while for complex surfaces requiring higher realism, a more granular representation is employed. This localized adaptation of representation quality optimizes resource consumption while maintaining rendering precision where necessary.
2Use of energy by moving object
If a less granular geometric representation is used, then resource consumption is reduced, but rendering realism and accuracy deteriorate
Solution Approach 1:
The patent implements dynamics by dynamically switching between different levels of geometric representation granularity based on real-time assessment of surface characteristics. The system evaluates surface complexity and adapts the representation level accordingly, transitioning from less granular to more granular representations when moving from flat to complex surfaces, thereby maintaining rendering accuracy while optimizing resource usage.
3Manufacturing precision
If a more granular geometric representation is used for complex surfaces, then rendering realism is improved, but processing speed and object movement smoothness deteriorate
Solution Approach 1:
The patent applies local quality by restricting high-granularity geometric representations only to specific complex surface regions where realism is critical, while using less granular representations for flat surfaces. This localized approach maintains processing speed by avoiding unnecessary computational overhead in regions where high detail is not required, while still achieving rendering realism where needed.
4Measurement precision
If geometric representation granularity is increased, then surface detail accuracy is improved, but computational complexity and lag increase
Solution Approach 1:
The patent applies segmentation by dividing the physical surface into distinct regions based on geometric characteristics (flat vs. complex surfaces). Each region is then assigned an appropriate level of geometric representation granularity. This segmentation strategy reduces overall computational complexity by applying high-detail representations only to necessary segments, while using simplified representations for other areas, thereby improving surface detail accuracy without excessive computational overhead.
Data Source
AI summary
Presenting a virtual object includes obtaining, by a first device, a first geometric representation and a second geometric representation corresponding to a physical surface in a real environment, determining an initialization location on the first physical surface for a virtual object, obtaining a first normal for the first representation and a second normal for the second representation at the initialization location, and rendering the virtual object at the initialization location based on the first normal and the second normal.