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Title: Card3DFace—An Application to Enhance 3D Visual Validation in ID Cards and Travel Documents
Authors: Dihl, Leandro 
Cruz, Leandro 
Gonçalves, Nuno 
Keywords: 3D reconstruction; 3D face visualization; shape and surface 3D modelling; lenticular lenses
Issue Date: 2021
Project: Portuguese Mint and Official Printing Office (INCM) 
University of Coimbra 
FCT UIDB/00048/2020. 
Serial title, monograph or event: Applied Sciences (Switzerland)
Volume: 11
Issue: 19
Abstract: The identification of a person is a natural way to gain access to information or places. A face image is an essential element of visual validation. In this paper, we present the Card3DFace application, which captures a single-shot image of a person’s face. After reconstructing the 3D model of the head, the application generates several images from different perspectives, which, when printed on a card with a layer of lenticular lenses, produce a 3D visualization effect of the face. The image acquisition is achieved with a regular consumer 3D camera, either using plenoptic, stereo or time-of-flight technologies. This procedure aims to assist and improve the human visual recognition of ID cards and travel documents through an affordable and fast process while simultaneously increasing their security level. The whole system pipeline is analyzed and detailed in this paper. The results of the experiments performed with polycarbonate ID cards show that this end-to-end system is able to produce cards with realistic 3D visualization effects for humans.
ISSN: 2076-3417
DOI: 10.3390/app11198821
Rights: openAccess
Appears in Collections:I&D ISR - Artigos em Revistas Internacionais

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