Type of Publication

Patent

Date:

6 /

2019

Status

Active

Method for validation of authenticity of an image present in an object, object with increased security level and method for preparation thereof, computer equipment, computer program and appropriate reading means

Featured in:

Applicants: Imprensa Nacional-Casa da Moeda and University of Coimbra

Authors:

Nuno Gonçalves, Leandro Cruz and Iurii Medvedev

Abstract

A invenção compreende a materialização de um objeto original (1) com nível de segurança intensificado com base no processamento de uma imagem original (3) e de um marcador digital com informação codificada da imagem original (5). A invenção compreende um método para validação de um objeto a validar (2) possuindo uma imagem a validar (4) e um marcador digital a validar (6), que compara informações codificadas calculadas a partir de pelo menos uma imagem a validar (4) com informações codificadas correspondentes a pelo menos uma imagem original (3), por meio do processamento das informações codificadas presentes em pelo menos um marcador digital a validar (6). A invenção compreende aparelhos computacionais, programas de computador e meios de leitura por um aparelho computacional adaptados. A invenção visa criar mecanismos e instrumentos de controlo de autenticidade de objetos no campo técnico da gráfica de segurança.

Citation
Inventors: Nuno Gonçalves, Leandro Cruz and Iurii Medvedev, Applicants: Imprensa Nacional-Casa da Moeda and University of Coimbra, 2019. Method for validation of authenticity of an image present in an object, object with increased security level and method for preparation thereof, computer equipment, computer program and appropriate reading means. In PT115571B (Portugal), WO2020251380A1 (WIPO), EP3982289A1 (European Patent Office). Active

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