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Data protection algorithms are becoming increasingly important to support modern business needs for facilitating data sharing and data monetization. Anonymization is an important step before data sharing. Several organizations leverage on…

密码学与安全 · 计算机科学 2021-08-11 Manish Kesarwani , Akshar Kaul , Stefano Braghin , Naoise Holohan , Spiros Antonatos

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…

密码学与安全 · 计算机科学 2024-02-28 Le Yang , Miao Tian , Duan Xin , Qishuo Cheng , Jiajian Zheng

Recent privacy research on large language models (LLMs) has shown that they achieve near-human-level performance at inferring personal data from online texts. With ever-increasing model capabilities, existing text anonymization methods are…

人工智能 · 计算机科学 2025-02-04 Robin Staab , Mark Vero , Mislav Balunović , Martin Vechev

In this paper we present a novel approach for anonymizing Online Social Network graphs which can be used in conjunction with existing perturbation approaches such as clustering and modification. The main insight of this paper is that by…

密码学与安全 · 计算机科学 2021-01-07 David F. Nettleton , Vicenc Torra , Anton Dries

Researchers find weaknesses in current strategies for protecting privacy in large datasets. Many anonymized datasets are reidentifiable, and norms for offering data subjects notice and consent over emphasize individual responsibility. Based…

计算机与社会 · 计算机科学 2016-05-31 Meg Young

Data privacy and anonymisation are critical concerns in today's data-driven society, particularly when handling personal and sensitive user data. Regulatory frameworks worldwide recommend privacy-preserving protocols such as k-anonymisation…

信息论 · 计算机科学 2025-07-02 Kailash Reddy , Novoneel Chakraborty , Amogh Dharmavaram , Anshoo Tandon

Large Language Models (LLMs) have demonstrated advanced capabilities in both text generation and comprehension, and their application to data archives might facilitate the privatization of sensitive information about the data subjects. In…

密码学与安全 · 计算机科学 2025-04-08 Stefano Cirillo , Domenico Desiato , Giuseppe Polese , Monica Maria Lucia Sebillo , Giandomenico Solimando

There is an increasing concern in computer vision devices invading users' privacy by recording unwanted videos. On the one hand, we want the camera systems to recognize important events and assist human daily lives by understanding its…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Zhongzheng Ren , Yong Jae Lee , Michael S. Ryoo

In an era where personal photos are easily leaked and collected, face de-identification is a crucial method for protecting identity privacy. However, current face de-identification techniques face challenges in preserving attribute details…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Mingrui Zhu , Dongxin Chen , Xin Wei , Nannan Wang , Xinbo Gao

In this paper, a new mathematical formulation for the problem of de-anonymizing social network users by actively querying their membership in social network groups is introduced. In this formulation, the attacker has access to a noisy…

信息论 · 计算机科学 2017-10-12 Farhad Shirani , Siddharth Garg , Elza Erkip

This paper tackles the problem of human action recognition, defined as classifying which action is displayed in a trimmed sequence, from skeletal data. Albeit state-of-the-art approaches designed for this application are all supervised, in…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Giancarlo Paoletti , Jacopo Cavazza , Cigdem Beyan , Alessio Del Bue

Federated Learning allows collaborative training without data sharing in settings where participants do not trust the central server and one another. Privacy can be further improved by ensuring that communication between the participants…

密码学与安全 · 计算机科学 2023-10-11 Qiongkai Xu , Trevor Cohn , Olga Ohrimenko

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…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Helena Montenegro , Jaime S. Cardoso

This work addresses the problem of anonymizing the identity of faces in a dataset of images, such that the privacy of those depicted is not violated, while at the same time the dataset is useful for downstream task such as for training…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Simone Barattin , Christos Tzelepis , Ioannis Patras , Nicu Sebe

In today's data-driven digital era, the amount as well as complexity, such as multi-view, non-Euclidean, and multi-relational, of the collected data are growing exponentially or even faster. Clustering, which unsupervisely extracts valid…

机器学习 · 计算机科学 2025-01-10 Zhao Kang , Xuanting Xie , Bingheng Li , Erlin Pan

The description of complex configuration is a difficult issue. We present a powerful technique for cluster identification and characterization. The scheme is designed to treat with and analyze the experimental and/or simulation data from…

统计力学 · 物理学 2013-08-29 Guangcai Zhang , Aiguo Xu , Guo Lu , Zeyao Mo

In the contemporary digital era, protection of personal information has become a paramount issue. The exponential growth of the media industry has heightened concerns regarding the anonymization of individuals captured in video footage.…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Byunghyun Ban , Hyoseok Lee

A novel technique is proposed to optimize energy efficiency for wireless networks based on hierarchical mobile clustering. The new bi-level clustering technique minimizes mutual interference and energy consumption in large-scale tracking…

计算机与社会 · 计算机科学 2019-02-11 Uthman Baroudi , Abdulrahman Abu Elkhail , Hesham Alfares

Multi-camera multiple people tracking has become an increasingly important area of research due to the growing demand for accurate and efficient indoor people tracking systems, particularly in settings such as retail, healthcare centers,…

Clustering is a widely used technique in data mining applications for discovering patterns in underlying data. Most traditional clustering algorithms are limited to handling datasets that contain either numeric or categorical attributes.…

人工智能 · 计算机科学 2007-05-23 Zengyou He , Xiaofei Xu , Shengchun Deng