Dynamic Display Rendering for Gaze-Dependent Optical Correction
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Solution Overview
Problem
Existing eyeglasses, such as bifocal or varifocal lenses, may not always provide optimal focus for viewing visual content on a display screen, particularly when the user's gaze direction changes.
Innovation Solution
An apparatus and method that detect a user's gaze direction through eye correction means, assess the optical properties of the eye correction means at that gaze direction, and adjust the rendering position of visual content on a display screen to ensure optimal focus, by smoothly transitioning the content between different rendering positions based on the suitability of the optical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visual content is rendered at a fixed position on the display screen, then the rendering system is simple, but the visual content may be out of focus when the user's gaze direction changes
Solution Approach 1:
The rendering position of visual content is made dynamic instead of fixed. The system continuously adjusts the rendering position based on real-time detection of the user's gaze direction and the optical properties of the eye correction means, ensuring the content remains in focus as the user moves their gaze across different areas of the display screen
Solution Approach 2:
The system implements a feedback loop where the detected gaze direction and optical properties of the eye correction means are used to determine the appropriate rendering position. This closed-loop control ensures that the visual content is always rendered at a position that provides optimal focus quality for the user's current viewing conditions
2Reliability
If the rendering position is dynamically adjusted based on gaze direction, then the focus quality is maintained, but the system complexity increases
Solution Approach 1:
The system integrates multiple functions into a unified apparatus: gaze direction detection, optical property assessment, rendering position determination, and transparency control all work together in coordination. This multi-functional integration manages complexity by having components serve multiple purposes rather than requiring separate dedicated systems for each function
Solution Approach 2:
The system adjusts key parameters such as rendering position coordinates and transparency levels based on detected gaze direction and optical properties. By dynamically changing these parameters, the system maintains focus quality without requiring physical movement of display components or complex mechanical adjustments
3Ease of operation
If transparency of eye correction means is controlled at multiple gaze directions, then the viewing experience is improved, but the control system becomes more complex
Solution Approach 1:
The transparency control is applied locally to different regions of the eye correction means based on the user's gaze direction. Instead of uniformly controlling transparency across the entire lens, the system adjusts transparency in the specific area corresponding to where the user is looking, optimizing viewing experience while minimizing control complexity
Data Source
AI summary
An apparatus, method and computer program is described for rendering visual content on a display screen. The apparatus comprises a means for rendering visual content on a display screen. The means for rendering is configured to render said visual content at a first rendering position on said display screen. The apparatus further comprises a means for detecting a user gaze direction through an eye correction means towards said first rendering position. The apparatus further comprises a means for receiving data relating to optical properties of said eye correction means at said detected user gaze direction. The apparatus further comprises a means for determining if said optical properties at said detected gaze direction provide a threshold level of suitability for viewing said visual content.