SISTEMA DE CONTROL DE ACCESO USANDO RECONOCIMIENTO FACIAL CON UNA RASPBERRY PI 4 Y OPENCV (ACCESS CONTROL SYSTEM USING FACIAL RECOGNITION WITH A RASPBERRY PI 4 AND OPENCV)
Resumen
El objetivo de este trabajo fue realizar un sistema de control de acceso usando reconocimiento facial para acceso a un centro de datos. Se desarrolló usando una tarjeta Raspberry Pi 4, una cámara de video y una pantalla táctil. La programación del sistema implanta el algoritmo de Viola-Jones para la detección del rostro y el reconocimiento del mismo usando funciones de OpenCV. La interfaz de usuario se muestra en la pantalla táctil. Cuando un usuario no autorizado intenta acceder al centro de datos, se transmite un mensaje de alerta de WhatsApp a un teléfono móvil. Las pruebas realizadas mostraron que la exactitud del sistema es 99.6 % y el tiempo de respuesta 400 ns. A partir de los resultados logrados el sistema puede usarse en otro tipo de instalaciones o aplicaciones de tiempo real.
Palabras Clave: OpenCV, Raspberry Pi 4, reconocimiento facial, Viola-Jones, WhatsApp.
Abstract
The objective of this work was to make an access control system using facial recognition for access to a data center. It was developed using a Raspberry Pi 4 card, a video camera and a touch screen. System programming implements the Viola-Jones algorithm for face detection and face recognition using OpenCV functions. The user interface is displayed on the touch screen. When an unauthorized user tries to access the data center, a WhatsApp alert message is transmitted to a mobile phone. The tests carried out showed that the accuracy of the system is 99.6 % and the response time 400 ns. Based on the results achieved, the system can be used in other types of installations or real-time applications.
Keywords: Face recognition, OpenCV, Raspberry Pi 4, Viola-Jones, WhatsApp.
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