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Autores principales: Helou, Majed El, Cetin, Doruk, Stamenkovic, Petar, Huber, Niko Benjamin, Zünd, Fabio
Formato: Preprint
Publicado: 2023
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Acceso en línea:https://arxiv.org/abs/2312.02124
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author Helou, Majed El
Cetin, Doruk
Stamenkovic, Petar
Huber, Niko Benjamin
Zünd, Fabio
author_facet Helou, Majed El
Cetin, Doruk
Stamenkovic, Petar
Huber, Niko Benjamin
Zünd, Fabio
contents The demand for privacy in facial image dissemination is gaining ground internationally, echoed by the proliferation of regulations such as GDPR, DPDPA, CCPA, PIPL, and APPI. While recent advances in anonymization surpass pixelation or blur methods, additional constraints to the task pose challenges. Largely unaddressed by current anonymization methods are clinical images and pairs of before-and-after clinical images illustrating facial medical interventions, e.g., facial surgeries or dental procedures. We present VerA, the first Versatile Anonymization framework that solves two challenges in clinical applications: A) it preserves selected semantic areas (e.g., mouth region) to show medical intervention results, that is, anonymization is only applied to the areas outside the preserved area; and B) it produces anonymized images with consistent personal identity across multiple photographs, which is crucial for anonymizing photographs of the same person taken before and after a clinical intervention. We validate our results on both single and paired anonymization of clinical images through extensive quantitative and qualitative evaluation. We also demonstrate that VerA reaches the state of the art on established anonymization tasks, in terms of photorealism and de-identification.
format Preprint
id arxiv_https___arxiv_org_abs_2312_02124
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle VerA: Versatile Anonymization Applicable to Clinical Facial Photographs
Helou, Majed El
Cetin, Doruk
Stamenkovic, Petar
Huber, Niko Benjamin
Zünd, Fabio
Computer Vision and Pattern Recognition
Graphics
Machine Learning
The demand for privacy in facial image dissemination is gaining ground internationally, echoed by the proliferation of regulations such as GDPR, DPDPA, CCPA, PIPL, and APPI. While recent advances in anonymization surpass pixelation or blur methods, additional constraints to the task pose challenges. Largely unaddressed by current anonymization methods are clinical images and pairs of before-and-after clinical images illustrating facial medical interventions, e.g., facial surgeries or dental procedures. We present VerA, the first Versatile Anonymization framework that solves two challenges in clinical applications: A) it preserves selected semantic areas (e.g., mouth region) to show medical intervention results, that is, anonymization is only applied to the areas outside the preserved area; and B) it produces anonymized images with consistent personal identity across multiple photographs, which is crucial for anonymizing photographs of the same person taken before and after a clinical intervention. We validate our results on both single and paired anonymization of clinical images through extensive quantitative and qualitative evaluation. We also demonstrate that VerA reaches the state of the art on established anonymization tasks, in terms of photorealism and de-identification.
title VerA: Versatile Anonymization Applicable to Clinical Facial Photographs
topic Computer Vision and Pattern Recognition
Graphics
Machine Learning
url https://arxiv.org/abs/2312.02124