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Los sistemas de reconocimiento facial, aplicaciones informáticas diseñadas para reconocer o autenticar automáticamente la identidad de un individuo a través de sus rasgos faciales, llevan evolucionando desde los años sesenta. El proceso consiste en comparar los distintos atributos faciales de una foto o vídeo digital con los almacenados en una base de datos. Su amplio uso se extiende a ámbitos como la aplicación de la ley, la supervisión por vídeo, los controles de pasajeros y las interacciones entre humanos y ordenadores. A pesar de su utilidad, la tecnología ha suscitado críticas debido a la violación de la intimidad, la identificación errónea y el posible uso indebido, como las falsificaciones profundas. La tecnología avanza constantemente, con la introducción de sensores 3D y nuevos métodos de detección que mejoran su precisión. Incluso en medio de las controversias, los sistemas de reconocimiento facial se están implantando en todo el mundo, con diferentes grados de supervisión legal y normativa.
Este artículo exactitud de los hechos puede estar en peligro debido a información obsoleta. (Junio de 2022) |
A sistema de reconocimiento facial es una tecnología potencialmente capaz de rostro humano de un imagen digital o un fotograma de vídeo contra un base de datos de caras. Este sistema suele emplearse para autentifique usuarios a través de Servicios de verificación de identidady funciona localizando y midiendo los rasgos faciales a partir de una imagen dada.
Sistemas similares comenzaron a desarrollarse en la década de 1960 como una forma de ordenador. aplicación. Desde su creación, los sistemas de reconocimiento facial se han utilizado cada vez más en smartphones y en otras formas de tecnología, como robótica. Dado que el reconocimiento facial informatizado implica la medición de las características fisiológicas de un ser humano, los sistemas de reconocimiento facial se clasifican como biometría. Aunque la precisión de los sistemas de reconocimiento facial como tecnología biométrica es inferior al reconocimiento del iris, adquisición de imágenes de huellas dactilaresreconocimiento de la palma de la mano o reconocimiento de vozEl reconocimiento facial es una tecnología muy extendida gracias a su proceso sin contacto. Los sistemas de reconocimiento facial se han implantado en interacción persona-ordenador, videovigilancia, aplicación de la leyEl control de los pasajeros, las decisiones sobre empleo y vivienda y los controles automáticos. indexación de imágenes.
Los sistemas de reconocimiento facial son utilizados actualmente en todo el mundo por gobiernos y empresas privadas. Su eficacia varía, y algunos sistemas han sido desechados por su ineficacia. El uso de sistemas de reconocimiento facial también ha suscitado controversia, con afirmaciones de que los sistemas violan la intimidad de los ciudadanos, suelen realizar identificaciones incorrectas, fomentan la normas de género y elaboración de perfiles racialesy no protegen datos biométricos importantes. La aparición de medios sintéticos como deepfakes también ha suscitado dudas sobre su seguridad. Estas afirmaciones han llevado a la prohibición de los sistemas de reconocimiento facial en varias ciudades del Estados Unidos. La creciente preocupación social llevó a la empresa de redes sociales Metaplataformas para cerrar su Sistema de reconocimiento facial de Facebook en 2021, eliminando los datos de escaneado facial de más de mil millones de usuarios. El cambio supuso uno de los mayores cambios en el uso del reconocimiento facial en la historia de esta tecnología. IBM también dejó de ofrecer tecnología de reconocimiento facial debido a preocupaciones similares.