Biometric Verification System with Frequency-Based Access Control
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Solution Overview
Problem
Existing information processing systems lack efficient methods to manage user access and authentication based on biometric information, particularly in determining the number of verifications within a specified period, which can lead to unnecessary menu displays or login operations.
Innovation Solution
An information processing system incorporating a verification unit that checks biometric information against preregistered data and an execution unit that executes processes based on the number of verifications within a predetermined period, allowing for differentiated actions such as displaying menus or requiring login operations based on first-time or subsequent verifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system displays menu or requires login after every biometric verification, then user authentication is ensured, but user experience deteriorates due to unnecessary repeated operations
Solution Approach 1:
The system dynamically adjusts the verification frequency and menu display behavior based on the verification count stored in storage unit. For first verification, menu is displayed; for subsequent verifications within the period, menu is not displayed, making the system adaptive to usage patterns while maintaining security
Solution Approach 2:
The system changes the parameter of verification frequency by introducing a predetermined period and count threshold. By comparing the current verification count against the threshold, the system modifies its behavior (displaying or not displaying menu) to balance security and user convenience
2Reliability
If the system requires login operation after each verification, then access control is maintained, but system efficiency decreases due to redundant operations
Solution Approach 1:
The system applies partial action by requiring full login operation only when necessary (first verification or threshold exceeded). For intermediate verifications, the system skips the menu display and login steps, performing only the essential biometric verification to maintain access control while improving efficiency
3Adaptability or versatility
If the system tracks verification count for every user, then differentiated access control is achieved, but device complexity increases
Solution Approach 1:
The storage unit serves multiple functions: it stores not only the verification count but also implicitly tracks user identification and verification timing. This multi-functionality reduces the need for separate complex data structures while enabling differentiated access control based on verification patterns
Data Source
AI summary
An information processing system includes a verification unit and an execution unit. The verification unit verifies biometric information acquired from users against preregistered reference information. The execution unit executes a process based on the number of times biometric information has been verified on a user basis in a predetermined period by the verification unit.