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Self-supervised learning for image denoising problems in the presence of denaturation for noisy data is a crucial approach in machine learning. However, theoretical understanding of the performance of the approach that uses denatured data…

Machine Learning · Statistics 2024-12-17 Hiroki Waida , Kimihiro Yamazaki , Atsushi Tokuhisa , Mutsuyo Wada , Yuichiro Wada

Recent advancements in the field of magnetic resonance imaging (MRI) have enabled large-scale collaboration among clinicians and researchers for neuroimaging tasks. However, researchers are often forced to use outdated and slow software to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Anish Khazane , Julien Hoachuck , Krzysztof J. Gorgolewski , Russell A. Poldrack

Removing patient-specific information from medical images is crucial to enable sharing and open science without compromising patient identities. However, many methods currently used for deidentification have negative effects on downstream…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Adrienne Kline , Abhijit Gaonkar , Daniel Pittman , Chris Kuehn , Nils Forkert

With the increasing widely spread digital media become using in most fields such as medical care, Oceanography, Exploration processing, security purpose, military fields and astronomy, evidence in criminals and more vital fields and then…

Cryptography and Security · Computer Science 2021-10-05 Ahmad M Nagm , Khaled Y Youssef , Mohammad I Youssef

Anonymization plays a key role in protecting sensible information of individuals in real world datasets. Self-driving cars for example need high resolution facial features to track people and their viewing direction to predict future…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Pascal Zwick , Kevin Roesch , Marvin Klemp , Oliver Bringmann

The analysis of digital images using homological procedures is an outstanding topic in the area of Computational Algebraic Topology. In this paper, we describe a certified reduction strategy to deal with digital images, but preserving their…

Logic in Computer Science · Computer Science 2016-08-11 María Poza , César Domínguez , Jónathan Heras , Julio Rubio

In the context of information systems, text sanitization techniques are used to identify and remove sensitive data to comply with security and regulatory requirements. Even though many methods for privacy preservation have been proposed,…

Computation and Language · Computer Science 2023-11-21 Federico Albanese , Daniel Ciolek , Nicolas D'Ippolito

Recapturing attack can be employed as a simple but effective anti-forensic tool for digital document images. Inspired by the document inspection process that compares a questioned document against a reference sample, we proposed a document…

Multimedia · Computer Science 2021-06-10 Changsheng Chen , Shuzheng Zhang , Fengbo Lan , Jiwu Huang

Tremendous efforts have been made on document image rectification, but how to learn effective representation of such distorted images is still under-explored. In this paper, we present DocMAE, a novel self-supervised framework for document…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Shaokai Liu , Hao Feng , Wengang Zhou , Houqiang Li , Cong Liu , Feng Wu

With the ongoing popularization of online services, the digital document images have been used in various applications. Meanwhile, there have emerged some deep learning-based text editing algorithms which alter the textual information of an…

Multimedia · Computer Science 2021-09-13 Lin Zhao , Changsheng Chen , Jiwu Huang

Medical image anonymization aims to protect patient privacy by removing identifying information, while preserving the data utility to solve downstream tasks. In this paper, we address the medical image anonymization problem with a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Huiyu Li , Nicholas Ayache , Hervé Delingette

Data preparation, i.e. the process of transforming raw data into a format that can be used for training effective machine learning models, is a tedious and time-consuming task. For image data, preprocessing typically involves a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Tran Ngoc Minh , Mathieu Sinn , Hoang Thanh Lam , Martin Wistuba

We present a generic and automated approach to re-identifying nodes in anonymized social networks which enables novel anonymization techniques to be quickly evaluated. It uses machine learning (decision forests) to matching pairs of nodes…

Cryptography and Security · Computer Science 2014-08-08 Kumar Sharad , George Danezis

Document digitization is becoming increasingly crucial. In this work, we propose a shape based approach for automatic stamp verification/detection in document images using an unsupervised feature learning. Given a small set of training…

Computer Vision and Pattern Recognition · Computer Science 2016-09-19 Yash Bhalgat , Mandar Kulkarni , Shirish Karande , Sachin Lodha

With the growing importance of privacy regulations such as the General Data Protection Regulation, anonymizing visual data is becoming increasingly relevant across institutions. However, anonymization can negatively affect the performance…

Machine Learning · Computer Science 2026-02-24 Marvin Chen , Manuel Eberhardinger , Johannes Maucher

Recent work on image anonymization has shown that generative adversarial networks (GANs) can generate near-photorealistic faces to anonymize individuals. However, scaling up these networks to the entire human body has remained a challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Håkon Hukkelås , Morten Smebye , Rudolf Mester , Frank Lindseth

We propose a novel architecture which is able to automatically anonymize faces in images while retaining the original data distribution. We ensure total anonymization of all faces in an image by generating images exclusively on privacy-safe…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Håkon Hukkelås , Rudolf Mester , Frank Lindseth

Clinical text processing has gained more and more attention in recent years. The access to sensitive patient data, on the other hand, is still a big challenge, as text cannot be shared without legal hurdles and without removing personal…

Computation and Language · Computer Science 2022-09-02 Iyadh Ben Cheikh Larbi , Aljoscha Burchardt , Roland Roller

We propose a novel method that leverages 3D information to automatically anonymize multi-view RGB-D video recordings of operating rooms (OR). Our anonymization method preserves the original data distribution by replacing the faces in each…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Tony Danjun Wang

Source device identification is an important topic in image forensics since it allows to trace back the origin of an image. Its forensics counter-part is source device anonymization, that is, to mask any trace on the image that can be…

Multimedia · Computer Science 2021-10-19 Francesco Picetti , Sara Mandelli , Paolo Bestagini , Vincenzo Lipari , Stefano Tubaro