Head-Mounted Display Alignment Control to Reduce Visual Artifacts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Head-mountable devices often suffer from misalignment of displays relative to the user's eyes, leading to visual artifacts such as rivalry and luning, which degrade the user experience.
Innovation Solution
The system includes sensors to detect user and device features, determining alignment data to adjust the position and orientation of displays, ensuring optimal alignment and minimizing perceptual differences between the eyes' fields of view.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If displays are positioned in a head-mountable device, then visual information can be provided within the user's field of view, but misalignment between displays and eyes occurs leading to visual artifacts
Solution Approach 1:
The system performs preliminary detection of eye position and display alignment before visual content is delivered. Sensors capture eye tracking data and alignment information in advance, allowing the system to pre-adjust display positioning and content rendering to prevent visual artifacts before they occur
Solution Approach 2:
The system continuously monitors eye position through sensors and uses this feedback to dynamically adjust display alignment and visual content rendering. This closed-loop feedback mechanism ensures displays remain properly aligned with the user's eyes during movement, eliminating visual artifacts while maintaining visual information delivery
2Device complexity
If displays are fixed in position, then device structure is simplified, but alignment with user's eyes cannot be maintained during movement
Solution Approach 1:
The system replaces complex mechanical adjustment mechanisms with sensor-based detection and software-based alignment correction. Instead of using movable displays or adjustable mechanical structures, the system uses eye tracking sensors and computational methods to maintain alignment, significantly simplifying the physical structure while preserving alignment reliability
Solution Approach 2:
The system changes rendering parameters of visual content based on detected eye position and alignment data. By adjusting parameters such as image position, orientation, and focus in the digital domain, the system maintains proper alignment without requiring physical movement of displays, keeping the mechanical structure simple
3Device complexity
If visual content is rendered without alignment adjustment, then processing is simpler, but perceptual differences between eyes occur
Solution Approach 1:
The system performs preliminary calculation of alignment adjustments based on detected eye positions before rendering visual content. By pre-computing the necessary adjustments to visual parameters based on alignment data, the system ensures perceptual consistency is maintained without adding complex real-time processing during content delivery
Data Source
AI summary
Systems of the present disclosure can provide a head-mountable device with interface elements to provide output of adjusted visual content. The head-mountable device and/or another electronic device can be operated to detect features of a user and/or features of the head-mountable device to determine alignment data corresponding to the alignment of the eyes with the displays. The head-mountable device and/or the other electronic device can be operated to determine adjustment data that indicates whether the user's perception of the visual content will differ between the fields of view of the eyes. The adjustment data can further indicate how output of the visual content can be adjusted so that the portions of the visual content that are output with the displays omits differences that would interfere with the user's perception of the visual content.