Building Access Communication via Facial Recognition and Mobile Channels
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Solution Overview
Problem
Existing building systems, such as access control and elevator systems, lack additional interaction options between the system and users, limiting user convenience and flexibility.
Innovation Solution
A building system that utilizes a camera system, image processing device, control and processing device, storage device, and communication device to recognize registered users via facial recognition and establish a bidirectional communication channel through their mobile device, allowing for private and location-independent communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional access control and elevator systems are used, then basic building services are provided, but user interaction options are limited
Solution Approach 1:
The patent introduces a camera system as an intermediary device that captures facial images and transmits them to a remote server for processing. This mediator handles the complex tasks of facial recognition and communication channel selection, allowing the building system to provide enhanced user interaction without significantly increasing on-site device complexity. The camera system acts as a bridge between traditional building systems and modern communication technologies.
Solution Approach 2:
The patent replaces traditional mechanical interaction methods (physical access cards, manual elevator buttons) with optical and electronic systems. Facial recognition technology substitutes for physical access control mechanisms, while automated communication channel selection replaces manual user input. This substitution enables more versatile user interaction options while reducing the need for physical interaction points in the building.
2Ease of operation
If facial recognition technology is implemented, then user recognition and communication capability are improved, but system complexity increases
Solution Approach 1:
The patent extracts the complex facial recognition processing and communication channel selection logic from the building system and relocates it to a remote server. The building system retains only the essential functions of capturing facial images and receiving communication responses. This extraction significantly reduces on-site system complexity while maintaining enhanced user convenience through automated recognition and communication.
3Loss of time
If automated facial recognition is used, then user identification speed is improved, but privacy concerns increase
Solution Approach 1:
The patent moves the facial recognition processing from the physical building environment to a remote digital dimension. Facial images are captured locally but processed on a remote server, creating a spatial separation between the recognition process and the user. This dimensional transition allows for rapid automated identification while giving users greater control over their biometric data, as processing occurs outside the immediate building environment where privacy concerns are most acute.
Data Source
AI summary
A building system comprises a camera system and an image processing device, which generates a real-time face template for facial features of the user from a camera capture of a user when the user is in a building zone. A control and processing device searches a storage device for a reference face template that matches the real-time face template to a specified degree, wherein the user is a registered user if there is a match. A bidirectional communication channel for private communication between the building system and a mobile phone of the user is determined from the user profile of the user.

