Three-tier quick-response code: Applications for encoded text and counterfeit prevention system

This paper introduces a novel approach for encoding information in PDF documents or similar files. The proposed encoding involves a dual-step method: firstly, the information is encoded in base64, and subsequently, it is uploaded in a user-selected color, while the rest of the colors contain dummy i...

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Bibliographic Details
Main Authors: Sara Ignacio-Cerrato, David Pacios, José Miguel Ezquerro Rodriguez, José Luis Vázquez-Poletti, Nikolaos Schetakis, Konstantinos Stavrakakis, Alessio Di Iorio, María Estefanía Avilés Mariño
Format: Article
Language:English
Published: Elsevier 2024-06-01
Series:MethodsX
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2215016124000396