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Published in:
2020 | OriginalPaper | Chapter
Machine Learning Techniques for Identity Document Verification in Uncontrolled Environments: A Case Study
Authors : Alejandra Castelblanco, Jesus Solano, Christian Lopez, Esteban Rivera, Lizzy Tengana, Martín Ochoa
Published in: Pattern Recognition
Publisher: Springer International Publishing
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Abstract
Distributed (i.e. mobile) enrollment to services such as banking is gaining popularity. In such processes, users are often asked to provide proof of identity by taking a picture of an ID. For this to work securely, it is critical to automatically check basic document features, perform text recognition, among others. Furthermore, challenging contexts might arise, such as various backgrounds, diverse light quality, angles, perspectives, etc. In this paper we present a machine-learning based pipeline to process pictures of documents in such scenarios, that relies on various analysis modules and visual features for verification of document type and legitimacy. We evaluate our approach using identity documents from the Republic of Colombia. As a result, our machine learning background detection method achieved an accuracy of 98.4%, and our authenticity classifier an accuracy of 97.7% and an F1-score of 0.974.