Shared-Space Private-Item Detection in Virtual Reality

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Solution Overview

Problem

Existing virtual reality environments lack effective mechanisms to protect user privacy, particularly in shared spaces, where private items can be inadvertently exposed to unauthorized users, leading to potential fraud, abuse, and breaches of personal information.

Innovation Solution

Implement a monitoring system with a privacy protection module (PPM) on user devices and an independent verifier module (IVM) that tracks and encrypts private items, ensuring only authorized users can access and interact with them, using encryption keys and detection models to manage privacy settings dynamically.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a monitoring system with detection models is implemented to identify private items in virtual environments, then user privacy protection is improved, but device complexity and computational resources increase

Engineering Contradiction:
Improveprivacy protectionVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system divides privacy protection into multiple specialized detection models, each trained to identify specific types of private items (e.g., documents, personal belongings, sensitive objects). Each model operates independently on relevant features, and their results are aggregated to make the final privacy determination. This segmentation allows the system to achieve comprehensive privacy protection while managing computational complexity through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Detection models are pre-trained offline on large datasets of private and public items before deployment in the virtual environment. This preliminary training phase allows the system to learn complex patterns and features of private items in advance, so that during runtime, the models can quickly classify new items without requiring extensive real-time computation. The preprocessing of training data and model compilation occur before the actual privacy monitoring begins.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If multiple detection models are applied to identify various private items, then measurement precision of private item detection is improved, but processing time and computational resources increase

Engineering Contradiction:
Improvedetection accuracyVSAvoidprocessing time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system employs a hierarchical detection approach where a lightweight preliminary model first screens data to identify potential private items. Only items that trigger this initial screening are then subjected to more computationally intensive specialized detection models. This partial application of full detection resources—applying detailed analysis only where needed—maintains high detection accuracy for actual private items while reducing overall processing time by avoiding exhaustive analysis of all items.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

Detection models operate continuously in the virtual environment, maintaining constant surveillance of user interactions and item movements. The system processes data streams in real-time using optimized inference pipelines that keep models actively engaged without idle periods, ensuring immediate detection of private items while utilizing computational resources efficiently through continuous batch processing and caching of intermediate results.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS20250328687A1Virtual reality privacy protection
Publication Date: 2025.10.23 AT&T INTELLECTUAL PROPERTY I L P
  • US20250328687A1 patent drawing
  • US20250328687A1 patent drawing
  • US20250328687A1 patent drawing

AI summary

A processing system including at least one processor may obtain a list of a plurality of private items associated with a region of a virtual environment, obtain a data feed of the region of the virtual environment, apply the data feed as an input to a plurality of detection models associated with the plurality of private items, identify at least one of the plurality of private items in the data feed via at least one output of at least one of the plurality of detection models, and transmit a notification to at least one entity that the at least one of the plurality of private items is identified in the data feed.