Face Recognition Access Control for Registered and Unregistered Users

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Solution Overview

Problem

Conventional access control methods, such as card swiping and fingerprint recognition, are inefficient and do not effectively manage visitor access, leading to increased verification time and security concerns due to errors and manual intervention.

Innovation Solution

An access control method and system that acquires and recognizes face images in a scene, allowing registered users to pass automatically while requiring verification from unregistered users, thereby improving efficiency and security by reducing manual intervention and enhancing visitor management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If card swiping method is used for access control, then the operation is simple and fast, but the security is reduced due to card loss or transfer to others

Engineering Contradiction:
Improveoperation simplicityVSAvoidsecurity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent combines multiple identification methods (face recognition, access card, fingerprint) into a single access control system. The control module integrates these different verification approaches and allows any one of them to trigger door opening, thereby maintaining operational simplicity while enhancing security through multi-factor authentication capabilities.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If fingerprint clock in is used for access control, then the identification is more reliable, but the verification time increases and error rate significantly increases due to dirty surface or unclear fingerprints

Engineering Contradiction:
Improveidentification accuracyVSAvoidverification time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system dynamically switches between different identification methods based on real-time conditions. When face recognition fails or environmental conditions are unfavorable, the system can alternatively use access card or fingerprint verification. This dynamic adaptation optimizes verification time while maintaining identification reliability across varying conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control module acts as an intermediary that manages multiple identification pathways. It coordinates between face recognition, access card reading, and fingerprint scanning, selecting the most appropriate method based on system state and environmental factors, thereby reducing verification time while maintaining accuracy.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If manual intervention is required for visitor access control, then the security management is more thorough, but the productivity decreases due to increased verification time and manual effort

Engineering Contradiction:
Improvevisitor management qualityVSAvoidaccess control efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system enables self-service access control where registered users can independently complete verification through face recognition, access card, or fingerprint without manual intervention. The control module automatically verifies credentials and triggers door opening, eliminating the need for security personnel to manually check each visitor while maintaining thorough security management through automated multi-method verification.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11151819B2Access control method, access control apparatus, system, and storage medium
Publication Date: 2021.10.19 SHENZHEN SENSETIME TECH CO LTD
  • US11151819B2 patent drawing
  • US11151819B2 patent drawing
  • US11151819B2 patent drawing

AI summary

An access control method, an access control apparatus, a system, and a storage medium are disclosed. The method includes: acquiring a scene image, and recognizing one or more face images in the scene image; determining an attribute of the face image, the attribute including a registered user and an unregistered user; and if multiple face images are recognized, determining whether attributes corresponding to the multiple face images include the registered user, and responsive to determining that the attributes corresponding to the multiple face images comprise the registered user, controlling an access control device to be opened; responsive to determining that the attributes corresponding to the multiple face images does not comprise the registered user, in condition that an access control verification request instruction is received and verification for the access control verification request instruction succeeds, controlling the access control device to be opened.