Vision Correction Display Switching via Depth Sensing
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Solution Overview
Problem
Users with vision deficiencies face difficulties interacting with electronic devices due to the need to constantly put on or remove prescription eyewear, leading to eye strain and compromised user experience.
Innovation Solution
A method that uses a sensor to scan a user's face, generate a depth map, and determine a corrective eyewear scenario, allowing the device to adjust the graphical output accordingly, providing vision-corrected displays that compensate for vision deficiencies whether the user is wearing corrective eyewear or not, and detecting eye movement to modify the output for comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a user with vision deficiency uses a standard electronic display without corrective eyewear, then the device operation is simple, but the user experiences eye strain and difficulty viewing clearly
Solution Approach 1:
The system automatically detects whether the user is wearing corrective eyewear using depth sensing technology and autonomously switches between vision-corrected and standard graphical outputs without requiring manual user input or configuration
Solution Approach 2:
The system dynamically changes the optical parameters of the graphical output by applying different blur levels and visual corrections based on the detected eyewear state, transforming the display characteristics to match the user's current vision needs
2Measurement precision
If the user constantly puts on or removes prescription eyewear to view the display clearly, then the user can see clearly, but the user experience suffers and interaction becomes difficult
Solution Approach 1:
The electronic device autonomously adapts its display output to the user's vision needs by detecting eyewear presence and automatically switching between corrected and standard graphical modes, eliminating the need for the user to manually put on or remove eyewear
Solution Approach 2:
The system dynamically adjusts the graphical output characteristics in real-time based on the user's changing eyewear state, transitioning smoothly between vision-corrected and standard display modes to maintain continuous visual comfort
3Measurement precision
If the display provides vision-corrected graphical output, then users with vision deficiencies can view clearly, but the device complexity increases
Solution Approach 1:
The system uses depth sensing technology as an intermediary to detect the user's eyewear state and automatically determine when to apply vision corrections, eliminating the need for complex manual configuration systems
Solution Approach 2:
The depth sensing capability serves multiple functions including user authentication, gesture control, and eyewear detection, allowing the same hardware to support vision correction without requiring additional specialized components
Data Source
AI summary
A method of providing a graphical output may include scanning at least a portion of a user's face using a sensor; generating a depth map using the scan; and determining a similarity score between the depth map and a set of stored biometric identity maps that are associated with a registered user. In response to the similarity score exceeding a threshold, the user may be authenticated as the registered user. The method may further determine a corrective eyewear scenario, select a display profile that is associated with the corrective eyewear scenario, and generate a graphical output in accordance with the selected display profile.