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

Related Content

Researcher Coordinator, VIS TEAM Leader
Researcher
Post-Doc Researcher
No tagged content to show
No tagged content to show
No tagged content to show

RECENT PUBLICATIONS

Geometric implicit neural representations for signed distance functions

Authors: Luiz Schirmer, Tiago Novello, Vinícius da Silva, Guilherme Schardong, Daniel Perazzo, Hélio Lopes, Nuno Gonçalves, Luiz Velho
Featured in: Special Section on SIBGRAPI 2023 Tutorials

Towards Secure Biometric Solutions: Enhancing Facial Recognition while Protecting User Data

Authors: Jose Silva, Aniana Cruz, Bruno Sousa and Nuno Gonçalves
Featured in: 14th International Conference on Pattern Recognition Applications and Methods (ICPRAM) 2025

StylePuncher: encoding a hidden QR code into images

Authors: Farhad Shadmand, Luiz Schirmer and Nuno Gonçalves
Featured in: 14th International Conference on Pattern Recognition Applications and Methods (ICPRAM) 2025

suggested news

Best Paper Award @ICPRAM 2025
Nuno Gonçalves serves as jury member for PhD...
ACHILLES project launches official Website and Newsletter

RECENT PROJECTS

FACING2 – Face Image Understanding
VISUAL-ID – Unique Visual Identities in Graphics, Images and Faces
UniqueMark

Institute of Systems and Robotics Department of Electrical and Computers Engineering University of Coimbra