Vehicle Biometric Authorization With Remote Confidence Confirmation
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Solution Overview
Problem
Biometric authorization systems in vehicles face challenges due to differences in sensor parameters and environmental conditions between interior and exterior sensors, leading to potential authorized users being denied access and unauthorized users gaining access.
Innovation Solution
A system that determines a confirmation confidence score for challenge biometric data based on a remote confidence score, allowing for user status determination using an authenticator when the score is above a threshold, and supplemental biometric data when it's below, to account for sensor differences and environmental conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If biometric authorization uses interior sensors with different parameters and environmental conditions, then the system can function in various conditions, but the measurement precision deteriorates leading to false authorization denials or approvals
Solution Approach 1:
The patent introduces a remote computer as an intermediary that receives biometric data from the vehicle's interior sensors and performs the authorization determination. This mediator processes the biometric data in a controlled remote environment, isolating the interior sensor measurements from the adverse effects of varying environmental conditions inside the vehicle, thereby maintaining measurement precision while preserving environmental adaptability
Solution Approach 2:
The patent replaces the traditional mechanical approach of using multiple physical sensors in different locations with a digital communication system. Biometric data is transmitted electronically to a remote computer for processing, substituting physical sensor arrays with a network-based solution that achieves consistent measurement precision across varying environmental conditions
2Reliability
If the system requests supplemental biometric data when confidence score is low, then the authorization accuracy improves, but the operation time increases
Solution Approach 1:
The patent implements a confidence score threshold system that triggers supplemental biometric data collection only when the initial confidence score falls below a predetermined threshold. This partial action approach ensures high authorization accuracy by requesting additional data only when necessary, rather than always collecting maximum biometric information, thereby reducing unnecessary time loss while maintaining reliability
Solution Approach 2:
The system uses confidence score feedback to dynamically adjust the authorization process. When the confidence score from initial biometric data is sufficient, the process completes quickly; when the score is low, the system feeds back the need for supplemental data collection, creating a closed-loop control system that optimizes both accuracy and time efficiency
Data Source
AI summary
Upon determining a confidence score for challenge biometric data for a user of an object is less than a first confidence threshold, a confirmation confidence score for the challenge biometric data is determined based on a remote confidence score for the challenge biometric data received from a remote computer. Upon determining that the confirmation confidence score is greater than a second confidence threshold, a user status of the user is determined based on an authenticator. The user status is one of authorized or not authorized. The second confidence threshold is less than the first confidence threshold. Upon determining that the confirmation confidence score is less than or equal to the second confidence threshold, the user status is determined based on supplemental biometric data. Object components are controller based on the user status.