Trajectory-Aware Visual Content Warping for Collision Prevention
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Solution Overview
Problem
Users navigating virtual environments using electronic devices often collide with physical objects due to the mismatch between the dimensions and layouts of virtual and physical spaces, leading to potential injuries and discomfort.
Innovation Solution
Electronic devices warp visual content based on user location and movement relative to physical objects, using sensors to detect potential collisions and adjust the virtual environment to prevent collisions by shifting graphical content and providing audio or haptic cues to guide users safely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visual content is presented without modification, then user immersion in virtual environment is maintained, but user safety is compromised due to collision with physical objects
Solution Approach 1:
The system performs preliminary detection of physical objects in the environment before the user reaches collision points. Visual content is proactively warped to indicate potential hazards ahead of time, allowing users to adjust their path without actually colliding with objects
Solution Approach 2:
The patent introduces an intermediary visual layer (warped visual content) that mediates between the virtual environment and physical reality. This intermediary layer provides safety information without completely breaking immersion, acting as a bridge between the two worlds
2Reliability
If visual content is warped to indicate physical objects, then collision prevention is achieved, but user immersion in virtual environment is reduced
Solution Approach 1:
The warping effect is applied locally only in regions where physical objects are detected, rather than uniformly across the entire visual field. This preserves visual fidelity in safe areas while providing necessary safety warnings in hazardous areas
Solution Approach 2:
The system dynamically adjusts warping parameters (intensity, extent, duration) based on factors such as distance to physical objects, user movement speed, and environmental complexity. This allows optimization between safety and immersion on a case-by-case basis
3Measurement precision
If continuous monitoring of user trajectory is performed, then collision detection accuracy is improved, but computational resources are increased
Solution Approach 1:
The system performs full trajectory monitoring only when physical objects are detected in the environment. When the environment is clear, monitoring is reduced or suspended, saving computational resources while maintaining safety when needed
Solution Approach 2:
The monitoring system is divided into segments that can be independently activated. Environmental scanning, trajectory tracking, and warping operations are performed as separate modular functions that can be enabled or disabled based on current conditions
Data Source
AI summary
Various implementations disclosed herein include devices, systems, and methods for warping visual content based on a current trajectory of a user relative in a physical environment. In some implementations, a device includes a display, an environmental sensor, one or more processors and a non-transitory memory. In some implementations, a method includes obtaining visual content corresponding to a graphical environment that is different from a physical environment of the device. In some implementations, the method includes detecting, via the environmental sensor, a current trajectory of the user in the physical environment. In some implementations, the method includes generating warped visual content by warping the visual content in response to an indication that the current trajectory of the user intersects with a physical object in the physical environment. In some implementations, the method includes displaying the warped visual content on the display.