Wearable Biometric Authentication Using Fingerprint and Motion Data
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Solution Overview
Problem
Existing biometric authentication systems using fingerprint recognition are vulnerable to unauthorized use through fingerprint copying and cannot dynamically attach user-specific information, limiting their security and safety.
Innovation Solution
A biometric authentication device with a wearable structure that includes a biological information acquisition unit capable of capturing fingerprint data and action data related to the movement of the device when worn or removed, enhancing authentication security by combining fingerprint matching with user-specific movement patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fingerprint recognition is used for authentication, then the system is simple and easy to operate, but the system is vulnerable to unauthorized use through fingerprint copying
Solution Approach 1:
The patent combines fingerprint recognition with acceleration sensor data to create a multi-factor authentication system. The biological information acquisition unit captures both fingerprint patterns and movement characteristics, merging static biometric data with dynamic motion data to enhance security while maintaining a relatively simple wearable device structure
Solution Approach 2:
The patent introduces dynamic movement characteristics captured by acceleration sensors during the process of wearing or removing the wristband. This transforms static fingerprint authentication into a dynamic multi-parameter authentication system that captures acceleration data throughout the motion sequence, making fingerprint copying ineffective
2Adaptability or versatility
If only fingerprint data is collected, then the data collection process is simple, but the authentication cannot dynamically attach user-specific information
Solution Approach 1:
The patent performs preliminary data collection by continuously monitoring acceleration patterns during the wearing and removal processes. This preliminary capture of movement characteristics creates a database of user-specific dynamic behaviors that can be used for later authentication verification, enabling adaptive authentication without adding complexity to the data collection hardware
3Reliability
If fingerprint copying is allowed, then unauthorized use is easy, but the system lacks safety measures against such unauthorized use
Solution Approach 1:
The patent implements feedback mechanisms where acceleration sensor data continuously monitors the wearing and removal processes. The system compares captured acceleration patterns against stored user-specific patterns, providing real-time verification feedback that prevents unauthorized use while maintaining a simple user interface and authentication workflow
Data Source
AI summary
A biometric authentication device has a structure member which is wearable to a user, and a biological information acquisition unit that acquires biological information of the user, and a biometric authentication unit that performs authentication of the user. The biological information acquisition unit is provided in a position where a finger of the user in contact when the structure member is worn/removed to/from the user, acquires first biological information with the finger of the user in contact with the biological information acquisition unit and second biological information which is at least one of a finger direction and action data, the finger direction is a direction of the finger in contact with the biological information acquisition unit and the action data is a data corresponding to spatial movement of the biometric authentication device when the structure member is worn/removed to/from the user. The biometric authentication unit performs the authentication based on the first and second biological information.