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We propose learning discrete structured representations from unlabeled data by maximizing the mutual information between a structured latent variable and a target variable. Calculating mutual information is intractable in this setting. Our…

机器学习 · 计算机科学 2020-07-17 Karl Stratos , Sam Wiseman

Theoretical and applied research into privacy encompasses an incredibly broad swathe of differing approaches, emphasis and aims. This work introduces a new quantitative notion of privacy that is both contextual and specific. We argue that…

统计理论 · 数学 2026-03-05 Cameron Bell , Timothy Johnston , Antoine Luciano , Christian P Robert

This paper presents a client/server privacy-preserving network in the context of multicentric medical image analysis. Our approach is based on adversarial learning which encodes images to obfuscate the patient identity while preserving…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Bach Ngoc Kim , Jose Dolz , Pierre-Marc Jodoin , Christian Desrosiers

The decentralized nature of federated learning, that often leverages the power of edge devices, makes it vulnerable to attacks against privacy and security. The privacy risk for a peer is that the model update she computes on her private…

密码学与安全 · 计算机科学 2021-08-05 Josep Domingo-Ferrer , Alberto Blanco-Justicia , Jesús Manjón , David Sánchez

Bias mitigation in machine learning models is imperative, yet challenging. While several approaches have been proposed, one view towards mitigating bias is through adversarial learning. A discriminator is used to identify the bias…

机器学习 · 计算机科学 2022-02-23 Vinod K Kurmi , Rishabh Sharma , Yash Vardhan Sharma , Vinay P. Namboodiri

Differential privacy offers formal quantitative guarantees for algorithms over datasets, but it assumes attackers that know and can influence all but one record in the database. This assumption often vastly overapproximates the attackers'…

密码学与安全 · 计算机科学 2020-12-01 Damien Desfontaines , Esfandiar Mohammadi , Elisabeth Krahmer , David Basin

We study privacy-aware communication over a wiretap channel using end-to-end learning. Alice wants to transmit a source signal to Bob over a binary symmetric channel, while passive eavesdropper Eve tries to infer some sensitive attribute of…

信息论 · 计算机科学 2022-02-15 Ecenaz Erdemir , Pier Luigi Dragotti , Deniz Gunduz

We present a practical method for protecting data during the inference phase of deep learning based on bipartite topology threat modeling and an interactive adversarial deep network construction. We term this approach \emph{Privacy…

密码学与安全 · 计算机科学 2018-12-10 Jianfeng Chi , Emmanuel Owusu , Xuwang Yin , Tong Yu , William Chan , Patrick Tague , Yuan Tian

Unsupervised learning is of growing interest because it unlocks the potential held in vast amounts of unlabelled data to learn useful representations for inference. Autoencoders, a form of generative model, may be trained by learning to…

计算机视觉与模式识别 · 计算机科学 2018-01-08 Antonia Creswell , Anil Anthony Bharath

The task of privacy-preserving face recognition (PPFR) currently faces two major unsolved challenges: (1) existing methods are typically effective only on specific face recognition models and struggle to generalize to black-box face…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Yuanwei Liu , Chengyu Jia , Ruqi Xiao , Xuemai Jia , Hui Wei , Kui Jiang , Zheng Wang

Machine learning models have demonstrated promising performance in many areas. However, the concerns that they can be biased against specific demographic groups hinder their adoption in high-stake applications. Thus, it is essential to…

机器学习 · 计算机科学 2023-05-31 Canyu Chen , Yueqing Liang , Xiongxiao Xu , Shangyu Xie , Ashish Kundu , Ali Payani , Yuan Hong , Kai Shu

Attacks that aim to identify the training data of public neural networks represent a severe threat to the privacy of individuals participating in the training data set. A possible protection is offered by anonymization of the training data…

密码学与安全 · 计算机科学 2020-05-27 Daniel Bernau , Philip-William Grassal , Jonas Robl , Florian Kerschbaum

When applying differential privacy to sensitive data, we can often improve performance using external information such as other sensitive data, public data, or human priors. We propose to use the learning-augmented algorithms (or algorithms…

密码学与安全 · 计算机科学 2023-05-09 Mikhail Khodak , Kareem Amin , Travis Dick , Sergei Vassilvitskii

Neural networks have demonstrated state-of-the-art performance in various machine learning fields. However, the introduction of malicious perturbations in input data, known as adversarial examples, has been shown to deceive neural network…

机器学习 · 计算机科学 2023-02-06 Dennis Y. Menn , Tzu-hsun Feng , Hung-yi Lee

Differential privacy (DP) provides a provable framework for protecting individuals by customizing a random mechanism over a privacy-sensitive dataset. Deep learning models have demonstrated privacy risks in model exposure as an established…

密码学与安全 · 计算机科学 2025-08-06 Yu Zheng , Wenchao Zhang , Yonggang Zhang , Yuxiang Peng , Wei Song , Kai Zhou , Xiaojiang Du , Bo Han

Edge-cloud collaborative inference empowers resource-limited IoT devices to support deep learning applications without disclosing their raw data to the cloud server, thus preserving privacy. Nevertheless, prior research has shown that…

密码学与安全 · 计算机科学 2023-06-16 Lin Duan , Jingwei Sun , Yiran Chen , Maria Gorlatova

Robust machine learning formulations have emerged to address the prevalent vulnerability of deep neural networks to adversarial examples. Our work draws the connection between optimal robust learning and the privacy-utility tradeoff…

机器学习 · 计算机科学 2021-05-20 Ye Wang , Shuchin Aeron , Adnan Siraj Rakin , Toshiaki Koike-Akino , Pierre Moulin

Motivated by settings in which predictive models may be required to be non-discriminatory with respect to certain attributes (such as race), but even collecting the sensitive attribute may be forbidden or restricted, we initiate the study…

Privacy models were introduced in privacy-preserving data publishing and statistical disclosure control with the promise to end the need for costly empirical assessment of disclosure risk. We examine how well this promise is kept by the…

密码学与安全 · 计算机科学 2025-10-20 Josep Domingo-Ferrer , David Sánchez

Machine learning (ML) is vulnerable to inference (e.g., membership inference, property inference, and data reconstruction) attacks that aim to infer the private information of training data or dataset. Existing defenses are only designed…

机器学习 · 计算机科学 2024-03-05 Sayedeh Leila Noorbakhsh , Binghui Zhang , Yuan Hong , Binghui Wang