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We propose a novel method to bootstrap text anonymization models based on distant supervision. Instead of requiring manually labeled training data, the approach relies on a knowledge graph expressing the background information assumed to be…

Computation and Language · Computer Science 2022-05-17 Anthi Papadopoulou , Pierre Lison , Lilja Øvrelid , Ildikó Pilán

The rapid development of video surveillance systems for object detection, tracking, activity recognition, and anomaly detection has revolutionized our day-to-day lives while setting alarms for privacy concerns. It isn't easy to strike a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Nazia Aslam , Kamal Nasrollahi

In this paper, we propose to utilize Automated Machine Learning to adaptively search a neural architecture for deepfake detection. This is the first time to employ automated machine learning for deepfake detection. Based on our explored…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Ping Liu , Yuewei Lin , Yang He , Yunchao Wei , Liangli Zhen , Joey Tianyi Zhou , Rick Siow Mong Goh , Jingen Liu

In medical organizations large amount of personal data are collected and analyzed by the data miner or researcher, for further perusal. However, the data collected may contain sensitive information such as specific disease of a patient and…

Cryptography and Security · Computer Science 2012-03-19 Pawan R Bhaladhare , Devesh Jinwala

The use of AI in public spaces continually raises concerns about privacy and the protection of sensitive data. An example is the deployment of detection and recognition methods on humans, where images are provided by surveillance cameras.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Christoph Liebender , Ranulfo Bezerra , Kazunori Ohno , Satoshi Tadokoro

Background knowledge is an important factor in privacy preserving data publishing. Distribution-based background knowledge is one of the well studied background knowledge. However, to the best of our knowledge, there is no existing work…

Databases · Computer Science 2009-09-08 Raymond Chi-Wing Wong , Ada Wai-Chee Fu , Ke Wang , Yabo Xu , Jian Pei , Philip S. Yu

Successful Artificial Intelligence systems often require numerous labeled data to extract information from document images. In this paper, we investigate the problem of improving the performance of Artificial Intelligence systems in…

Information Retrieval · Computer Science 2022-09-27 Bao-Sinh Nguyen , Dung Tien Le , Hieu M. Vu , Tuan Anh D. Nguyen , Minh-Tien Nguyen , Hung Le

The ever increasing volume of data in digital forensic investigation is one of the most discussed challenges in the field. Usually, most of the file artefacts on seized devices are not pertinent to the investigation. Manually retrieving…

Cryptography and Security · Computer Science 2019-07-03 Xiaoyu Du , Mark Scanlon

The development of artificial intelligence has significantly transformed people's lives. However, it has also posed a significant threat to privacy and security, with numerous instances of personal information being exposed online and…

Cryptography and Security · Computer Science 2024-02-28 Le Yang , Miao Tian , Duan Xin , Qishuo Cheng , Jiajian Zheng

Biometric data contains distinctive human traits such as facial features or gait patterns. The use of biometric data permits an individuation so exact that the data is utilized effectively in identification and authentication systems. But…

Cryptography and Security · Computer Science 2024-07-10 Simon Hanisch , Julian Todt , Jose Patino , Nicholas Evans , Thorsten Strufe

Data containing personal information is increasingly used to train, fine-tune, or query Large Language Models (LLMs). Text is typically scrubbed of identifying information prior to use, often with tools such as Microsoft's Presidio or…

Computation and Language · Computer Science 2026-02-16 Nataša Krčo , Zexi Yao , Matthieu Meeus , Yves-Alexandre de Montjoye

Document understanding models have recently demonstrated remarkable performance by leveraging extensive collections of user documents. However, since documents often contain large amounts of personal data, their usage can pose a threat to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Lei Kang , Mohamed Ali Souibgui , Fei Yang , Lluis Gomez , Ernest Valveny , Dimosthenis Karatzas

In today's digital world, casual user-generated content often contains subtle cues that may inadvertently expose sensitive personal attributes. Such risks underscore the growing importance of effective text anonymization to safeguard…

Computation and Language · Computer Science 2025-07-01 Chenyang Shao , Tianxing Li , Chenhao Pu , Fengli Xu , Yong Li

The unprecedented capture and application of face images raise increasing concerns on anonymization to fight against privacy disclosure. Most existing methods may suffer from the problem of excessive change of the identity-independent…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Zhenzhong Kuang , Xiaochen Yang , Yingjie Shen , Chao Hu , Jun Yu

Statistical methods protecting sensitive information or the identity of the data owner have become critical to ensure privacy of individuals as well as of organizations. This paper investigates anonymization methods based on representation…

Machine Learning · Statistics 2018-02-27 Clément Feutry , Pablo Piantanida , Yoshua Bengio , Pierre Duhamel

The increasing capabilities of deep neural networks for re-identification, combined with the rise in public surveillance in recent years, pose a substantial threat to individual privacy. Event cameras were initially considered as a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Katharina Bendig , René Schuster , Nicole Thiemer , Karen Joisten , Didier Stricker

Case-based explanations are an intuitive method to gain insight into the decision-making process of deep learning models in clinical contexts. However, medical images cannot be shared as explanations due to privacy concerns. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Helena Montenegro , Jaime S. Cardoso

With rising technologies, the protection of privacy-sensitive information is becoming increasingly important. In industry and production facilities, image or video recordings are beneficial for documentation, tracing production errors or…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Sabrina Cynthia Triess , Timo Leitritz , Christian Jauch

We present an object detection based approach to localize handwritten regions from documents, which initially aims to enhance the anonymization during the data transmission. The concatenated fusion of original and preprocessed images…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuli Wu , Yucheng Hu , Suting Miao

Anonymizing textual documents is a highly context-sensitive problem: the appropriate balance between privacy protection and utility preservation varies with the data domain, privacy objectives, and downstream application. However, existing…

Computation and Language · Computer Science 2026-04-21 Gabriel Loiseau , Damien Sileo , Damien Riquet , Maxime Meyer , Marc Tommasi