Mixed Reality Headset Safety via Dynamic Virtual Object Appearance
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Solution Overview
Problem
In mixed reality experiences, the blending of virtual and real objects can lead to dangerous situations as users may not distinguish between the two, resulting in potential risks due to occlusion or distraction from virtual objects, and there is a need for mechanisms to warn users of these risks to enhance safety.
Innovation Solution
The system uses MR headsets to capture sensor data, analyze it to detect real-world objects, determine risks based on proximity and trajectory, and adjust the appearance of virtual elements or provide haptic feedback to alert users, while also enabling users to distinguish between real and virtual objects through visual or audio notifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If virtual objects are rendered to appear indistinguishable from real objects for immersive MR experience, then immersion quality is improved, but user safety deteriorates due to inability to distinguish virtual from real objects
Solution Approach 1:
The system changes the color or appearance properties of virtual objects dynamically based on safety conditions. When a real object is detected that may pose a risk, the virtual object's appearance is modified (e.g., changing color, adding outlines, adjusting transparency) to alert the user while maintaining immersion during normal operation.
Solution Approach 2:
The system dynamically adjusts the appearance and properties of virtual objects in real-time based on detected environmental conditions. The virtual object rendering is not static but adapts its visual characteristics in response to sensor data about real-world objects, user position, and potential safety risks.
2Reliability
If virtual objects are rendered with high realism and occlusion to enhance immersion, then visual quality is improved, but user awareness of real surroundings deteriorates
Solution Approach 1:
The system uses color and transparency modifications to virtual objects to signal the presence of real-world objects. When a real object is detected, the virtual object's visual properties change to reduce occlusion or add visual cues, allowing users to maintain awareness of their surroundings while preserving immersive rendering quality.
3Object-affected harmful factors
If the system provides continuous safety monitoring and warnings, then user safety is improved, but system complexity increases due to additional sensors and processing
Solution Approach 1:
The system uses the existing MR headset sensors (cameras, depth sensors, motion tracking) for multiple purposes: both for rendering the immersive virtual experience and for safety monitoring. The same hardware that captures the environment for virtual object placement also detects real objects that may pose safety risks, eliminating the need for separate dedicated safety sensors.
Solution Approach 2:
The system performs safety monitoring using its own existing sensor suite and processing capabilities without requiring external dedicated safety systems. The MR headset's computational resources are utilized to analyze sensor data for both immersive rendering and safety detection, making the system self-sufficient for safety functions.
Data Source
AI summary
A method for providing a mixed reality (MR) experience is provided, including: rendering a mixed reality view for a user on an MR headset, wherein the mixed reality view includes virtual elements; during the rendering of the mixed reality view, capturing sensor data by the MR headset, and analyzing the sensor data to detect real-world objects in a local environment in which the MR headset is disposed; determining a risk to the user posed by one or more of the identified real-world objects; responsive to determining the risk, then adjusting an appearance of at least one virtual element.