Face Authentication Feedback via Coincidence Rate Screens
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Solution Overview
Problem
Users of image processing apparatuses face inconvenience due to unclear reasons for failed face authentication, as existing systems do not provide sufficient feedback on the authentication process, leading to confusion about how to rectify the situation.
Innovation Solution
Implementing a processing system with a display section that shows different screens based on the coincidence rate between registered and captured face images, including execution instruction screens when authenticated and guidance or registration prompts when not authenticated, to enhance user understanding and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If face authentication is performed based on coincidence rate, then security is improved, but user convenience deteriorates when authentication fails due to lack of feedback
Solution Approach 1:
The system implements feedback by displaying different screens based on the coincidence rate level. When authentication fails, the system provides feedback information about the failure reason (e.g., low coincidence rate) and guides users on how to resolve it, transforming the harsh authentication failure into a constructive interaction that improves user convenience while maintaining security.
2Device complexity
If authentication failure is handled with simple suspension, then system complexity is reduced, but information loss occurs as users cannot understand the failure reason
Solution Approach 1:
The system segments the authentication feedback into multiple levels based on coincidence rate thresholds. Different screen displays are prepared for different authentication outcomes (successful authentication, low coincidence rate, high coincidence rate), allowing the system to provide appropriate information without requiring complex processing logic.
3Ease of operation
If different screens are displayed based on coincidence rate, then user convenience is improved, but device complexity increases
Solution Approach 1:
The system uses parameter changes (coincidence rate thresholds) to control which screen is displayed. By setting predetermined thresholds for coincidence rates, the system automatically selects the appropriate display screen based on the calculated coincidence rate, simplifying the control logic while providing differentiated feedback to users.
Data Source
AI summary
A processing system including an image processing apparatus provided with a display section, the processing system includes, from a face authentication section that performs face authentication processing based on a coincidence rate between a face image corresponding to registered face data and a captured image of a face of a user, an acquisition section that acquires the coincidence rate; and when the user is authenticated by the face authentication processing, a processing section that displays an execution instruction screen for receiving an execution instruction of image processing to be executed by the image processing apparatus on the display section. When the user is not authenticated by the face authentication processing, the processing section displays a different screen in accordance with a level of the coincidence rate on the display section.