Mobile Device Face Detection Eye Protection
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Solution Overview
Problem
Users often experience eye strain and decreased vision due to prolonged and improper use of mobile devices, as existing technologies lack effective mechanisms to monitor and prevent overuse.
Innovation Solution
A mobile device equipped with an image capture unit and processor that detects human face information to track viewing time, angle, and eye movement, triggering reminders or eye-protection operations when thresholds are exceeded, such as displaying alerts or temporarily turning off the screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the display screen is used for prolonged time, then the user can access information and perform operations continuously, but the user's eyes become overused and vision decreases
Solution Approach 1:
The system continuously captures images of the user's face and eyes, analyzes viewing behavior in real-time, and provides feedback by displaying reminder information when excessive usage is detected. This closed-loop feedback mechanism monitors and controls usage patterns to prevent eye strain while allowing continuous operation.
Solution Approach 2:
The system implements periodic eye-protection operations by temporarily turning off the display screen at intervals based on accumulated usage time. This periodic interruption forces users to take breaks, preventing continuous eye strain while maintaining overall system productivity.
2Reliability
If the image capture unit and processing system are added to monitor viewing behavior, then eye-protection functionality is improved, but the device complexity increases
Solution Approach 1:
The image capture unit, which could be a separate component, is integrated into the existing camera system of the mobile device. The processor leverages existing image processing capabilities to perform face and eye detection, making the eye-protection function utilize existing hardware resources for multiple purposes.
Solution Approach 2:
The system uses the device's own image capture and processing capabilities to monitor and protect the user's eyes. The mobile device independently performs face detection, eye tracking, and usage analysis without requiring external monitoring equipment, making the protection mechanism self-contained.
3Object-affected harmful factors
If the display screen is temporarily turned off or device shut down for eye-protection, then eye strain is reduced, but the user's access to information is interrupted
Solution Approach 1:
The system applies partial eye-protection by temporarily turning off only the display screen while leaving other device functions operational. This partial action reduces eye strain from screen exposure while maintaining minimal user access to non-display functions, balancing protection with continued productivity.
Data Source
AI summary
A mobile device is provided. The mobile device includes a display screen, an image capture unit, and a processer. The display screen is for displaying information. The image capture unit is for capturing an image. The processer is coupled to the image capture unit to obtain the image. The processer performs a human face detection on the image so as to obtain a human face information from the image, detects a left face area and a right face area of the human face information, and the processer judges that a user stares at the display screen obliquely and performs an eye-protection operation when a ratio of the left face area to the right face area is not equal to a predetermined ratio in a predetermined time.