Iris Authentication Image Selection and Guidance
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Solution Overview
Problem
Existing electronic devices face challenges in efficiently and securely capturing and authenticating user biometric data, particularly iris images, due to performance issues that lead to inaccurate guidance and potential information leaks, especially in secure areas.
Innovation Solution
An electronic device with a sensing circuit and processor captures multiple authentication images, selects valid images based on quality and visibility, and performs authentication using these images, while generating preview images and guides to ensure accurate capture and secure processing, separating preview and authentication operations to enhance user experience and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the electronic device captures and processes authentication images in real-time, then the authentication speed is improved, but the processing accuracy and security may deteriorate due to performance limitations
Solution Approach 1:
The system performs preliminary actions by capturing multiple authentication images in advance and pre-assessing their quality before the actual authentication decision is made. This allows the device to have ready-to-use high-quality images without compromising real-time authentication speed
Solution Approach 2:
The authentication process is segmented into distinct phases: image capture phase, quality assessment phase, and authentication decision phase. By separating these operations, the system can dedicate specific processing resources to each task, improving both speed and accuracy without mutual interference
2Ease of operation
If the electronic device provides real-time feedback and guidance during authentication, then the ease of operation is improved, but the processing time and complexity increase
Solution Approach 1:
The system implements feedback by analyzing captured images and providing real-time guidance to users on how to improve their authentication attempt (e.g., adjusting eye position, opening eyes wider). This feedback loop enhances ease of operation while maintaining manageable complexity through efficient image analysis algorithms
Solution Approach 2:
The system performs self-service by automatically assessing image quality and generating appropriate feedback messages without requiring external intervention. The device independently determines whether the user needs guidance and what type of guidance to provide, reducing overall system complexity
3Reliability
If the electronic device stores and processes multiple authentication images, then the authentication reliability is improved, but the security risk of information leaks increases
Solution Approach 1:
The system extracts only the essential authentication features from captured images while discarding unnecessary data. By extracting and processing only the critical biometric information needed for authentication, the system maintains reliability while minimizing the storage and transmission of sensitive data, thereby reducing information leak risks
Solution Approach 2:
The system creates processed copies of authentication images that contain only the necessary authentication information rather than storing original high-resolution images. These processed copies maintain authentication reliability while significantly reducing the security risk associated with storing and transmitting detailed biometric data
Data Source
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AI summary
An electronic device is provided. The electronic device includes a sensing circuit and a processor. The processor is configured to captures a plurality of authentication images through the sensing circuit during a specific time, select at least one first image from the authentication images, and perform an authentication based on the at least one first image.