Digital ID Enrollment With 3D Face Matching and Liveness
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Solution Overview
Problem
Conventional biometric security methods, such as fingerprint and two-dimensional facial recognition, are unreliable and insecure on small electronic devices, making it difficult to securely authenticate users accessing accounts, especially due to the risk of impersonation and inconvenience with complex passwords.
Innovation Solution
A facial recognition authentication system using a mobile device camera to capture images from different angles and distances, combined with movement sensors, provides enrollment and authentication by comparing biometric information and movement paths, and includes additional security layers like banding detection and three-dimensional imaging to enhance security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two-dimensional facial recognition is used for authentication, then convenience is improved, but security deteriorates because faces can be photographed or recorded and used to trick the system
Solution Approach 1:
The patent transitions from two-dimensional facial recognition to three-dimensional depth mapping. The system captures depth information along with facial images, creating a 3D representation of the user's face. This dimensional upgrade prevents photo-based attacks because photographs lack the depth characteristics of a real face, thereby maintaining convenience while significantly improving security.
2Ease of operation
If fingerprint sensors are used for authentication, then convenience is improved, but reliability deteriorates because they are considered unreliable and unsecure on small electronic devices
Solution Approach 1:
The patent replaces the mechanical contact-based fingerprint sensor with an optical-based 3D facial recognition system. Instead of requiring physical contact with a sensor surface, the system uses cameras and depth sensors to capture facial geometry and characteristics. This substitution eliminates the security vulnerabilities of fingerprint sensors while maintaining ease of operation.
3Reliability
If complex passwords are required for security, then reliability is improved, but ease of operation deteriorates due to cumbersome typing on small devices
Solution Approach 1:
The patent implements biometric authentication where the user's own facial features serve as the authentication credential. The system automatically captures and processes the user's face without requiring manual input. This self-service approach replaces complex password entry with effortless facial recognition, maintaining high security while dramatically improving convenience on small devices.
Data Source
AI summary
A method for generating a digital ID comprising capturing one or more user images of user's face, transmitting the one or more user images or data derived therefrom to a verification server and determining if the one or more images represent a live person. Capturing an ID image of a photo identification for the user and transmitting the ID image to the verification server. Comparing at least one of the one or more user images or data derived therefrom to the image of the user on the photo identification to determine if user in the one or more user images is the same person as the image on the photo identification. Responsive to a match from the comparing and a determination that a live person was captured in the one or more user images, generating a user digital ID, and transmitting the user digital ID to the user.