Biometric Enrollment Buffering for Smart Card Efficiency
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Solution Overview
Problem
The existing biometric enrollment process for smart cards is time-consuming and inefficient, as it requires multiple interactions with the user to capture a complete map of biometric features, often preventing card usage until enrollment is complete, and lacks effective feedback mechanisms for users with limited interface devices.
Innovation Solution
A method and system for secure biometric enrollment that temporarily stores non-matching biometric samples in a buffer until a matching sample is obtained, allowing retroactive incorporation into the trusted template, thereby reducing the number of interactions needed and enhancing enrollment speed and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional biometric enrollment process is used, then complete biometric template can be captured, but enrollment time increases and user productivity decreases
Solution Approach 1:
The system performs preliminary action by capturing and storing the initial biometric sample immediately upon first use, before the user needs to complete the full enrollment process. This initial sample is stored in a temporary buffer and used to establish preliminary trust, allowing the user to access services while the complete template is being built through subsequent interactions.
Solution Approach 2:
The system applies dynamics by making the trusted template evolving and adaptive. The template starts with an initial sample and dynamically expands to include additional samples as they are captured during normal usage. The trust level is also dynamic, increasing as more samples are added and matched, allowing the system to adapt between preliminary access and complete verification modes.
2Measurement precision
If multiple biometric samples are collected during enrollment, then template quality improves, but the time required for enrollment increases
Solution Approach 1:
The system captures the initial biometric sample immediately upon first use and stores it in a temporary buffer, performing the action of sample collection before the user needs to complete the full enrollment process. This preliminary capture eliminates the need to wait for multiple interactions before providing any service.
Solution Approach 2:
The system maintains continuity of useful action by continuously capturing and comparing biometric samples during normal usage without interrupting service. Instead of requiring a separate enrollment phase, the template building process continues concurrently with regular transactions, making the enrollment action continuous rather than discrete and time-consuming.
3Measurement precision
If interactive enrollment process is used, then complete biometric map can be obtained, but user experience deteriorates due to repeated interactions required
Solution Approach 1:
The system performs preliminary action by capturing and storing the initial biometric sample immediately upon first use, before the user needs to complete the full enrollment process. This initial sample is stored in a temporary buffer and used to establish preliminary trust, allowing the user to access services while the complete template is being built through subsequent interactions.
Solution Approach 2:
The system applies self-service by automatically capturing and processing biometric samples during normal usage without requiring explicit user enrollment actions. The system serves itself by continuously comparing new samples against the template and expanding it as needed, eliminating the need for users to manually initiate or complete an enrollment process.
Data Source
AI summary
A system and method for secure biometric enrollment includes externally activating a user device, obtaining an initial biometric sample of a user subsequent to externally activating the user device, storing the initial biometric sample as a trusted sample in a trusted template, obtaining at least one subsequent biometric sample, comparing the at least one subsequent biometric sample to the trusted template, and based on the comparing, when the at least one subsequent biometric sample does not match the initial biometric sample in the trusted template, storing the at least one non-matching subsequent biometric sample into a temporary buffer until an additional subsequent biometric sample is obtained and does match the initial biometric sample in the trusted template, placing the matching additional subsequent biometric sample into the trusted template and retroactively extending trust of association with the user to the non-matching at least one subsequent biometric sample in the temporary buffer.