Distributed Facial Authentication Across Devices
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Solution Overview
Problem
Current authentication methods for access, such as face identification, require high-security hardware at every access point, leading to high costs and inefficiencies, especially when multiple access gates need to be equipped with such technology.
Innovation Solution
A method involving a first device for recording user images and a second device for providing a template, where facial features are extracted and compared to determine access, allowing for a cost-efficient and flexible authentication system by distributing the facial authentication process across these devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If face identification authentication is implemented at every access point, then security reliability is improved, but device complexity and cost increase due to requiring high-security hardware at each POA
Solution Approach 1:
The authentication system is divided into two functional segments: a first device (e.g., smartphone) that performs image capture and facial feature extraction, and a second device (e.g., access control system) that stores templates and performs verification. This segmentation allows standard hardware to be used at the first device while maintaining security through the distributed architecture, eliminating the need for expensive high-security hardware at every access point.
Solution Approach 2:
The patent introduces an intermediary communication channel between the first device and second device to transmit facial feature data and templates. This intermediary mechanism enables authentication without requiring the access control hardware to perform complex facial recognition locally, thereby reducing hardware complexity at each access point while maintaining security reliability.
2Reliability
If high-security hardware is deployed at every access point for face authentication, then authentication reliability is improved, but cost increases
Solution Approach 1:
Instead of deploying expensive high-security hardware at every access point, the system creates a copy of the authentication function on a standard first device (smartphone). The facial template is stored on the second device, and the authentication process is replicated across multiple access points using the same software-based verification mechanism, significantly reducing hardware costs while maintaining reliability.
3Reliability
If multiple access gates are equipped with high-security hardware for face identification, then security is improved, but device complexity and relocation difficulty increase
Solution Approach 1:
The authentication system transitions from static, hardware-based solutions fixed at each access gate to a dynamic software-based system. The first device can be any standard smartphone, and the authentication logic can be dynamically deployed across multiple access points without physical hardware changes, enabling easy relocation and adaptation of access control systems.
Data Source
AI summary
Disclosed herein is a method for authenticating a user for access involving at least a first device and a second device including:receiving an access request,in response to the access request, recording at least one image with the first device,extracting at least one facial feature of the at least one image,receiving a template from the second device,generating an access signal indicative of whether the user has access based on a comparison of the at least one facial feature and the template, andoutputting the access signal.