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The growing complexity of Deep Neural Networks (DNNs) has led to the adoption of Split Inference (SI), a collaborative paradigm that partitions computation between edge devices and the cloud to reduce latency and protect user privacy.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yixiang Qiu , Yanhan Liu , Hongyao Yu , Hao Fang , Bin Chen , Shu-Tao Xia , Ke Xu

In this paper, we propose a privacy-preserving image classification method that is based on the combined use of encrypted images and the vision transformer (ViT). The proposed method allows us not only to apply images without visual…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Zheng Qi , AprilPyone MaungMaung , Yuma Kinoshita , Hitoshi Kiya

Online person re-identification services face privacy breaches from potential data leakage and recovery attacks, exposing cloud-stored images to malicious attackers and triggering public concern. The privacy protection of pedestrian images…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Delong Zhang , Yi-Xing Peng , Xiao-Ming Wu , Ancong Wu , Wei-Shi Zheng

Privacy is a complex, subjective and contextual concept that is difficult to define. Therefore, the annotation of images to train privacy classifiers is a challenging task. In this paper, we analyse privacy classification datasets and the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Darya Baranouskaya , Andrea Cavallaro

Privacy-preserving machine learning aims to train models on private data without leaking sensitive information. Differential privacy (DP) is considered the gold standard framework for privacy-preserving training, as it provides formal…

This work examines a novel question: how much randomness is needed to achieve local differential privacy (LDP)? A motivating scenario is providing {\em multiple levels of privacy} to multiple analysts, either for distribution or for…

Cryptography and Security · Computer Science 2020-05-26 Antonious M. Girgis , Deepesh Data , Kamalika Chaudhuri , Christina Fragouli , Suhas Diggavi

Differential privacy is a widely adopted framework designed to safeguard the sensitive information of data providers within a data set. It is based on the application of controlled noise at the interface between the server that stores and…

Cryptography and Security · Computer Science 2024-05-06 Rūta Binkytė , Carlos Pinzón , Szilvia Lestyán , Kangsoo Jung , Héber H. Arcolezi , Catuscia Palamidessi

The advent of numerous indoor location-based services (LBSs) and the widespread use of many types of mobile devices in indoor environments have resulted in generating a massive amount of people's location data. While geo-spatial data…

Cryptography and Security · Computer Science 2022-07-05 Hojjat Navidan , Vahideh Moghtadaiee , Niki Nazaran , Mina Alishahi

As billions of personal data being shared through social media and network, the data privacy and security have drawn an increasing attention. Several attempts have been made to alleviate the leakage of identity information from face photos,…

Machine Learning · Computer Science 2021-08-17 Xiao Yang , Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu , Yuefeng Chen , Hui Xue

Local differential privacy (LPD) is a distributed variant of differential privacy (DP) in which the obfuscation of the sensitive information is done at the level of the individual records, and in general it is used to sanitize data that are…

Cryptography and Security · Computer Science 2018-05-04 Mário S. Alvim , Konstantinos Chatzikokolakis , Catuscia Palamidessi , Anna Pazii

The improved semantic understanding of vision-language pretrained (VLP) models has made it increasingly difficult to protect publicly posted images from being exploited by search engines and other similar tools. In this context, this paper…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Xuelin Shen , Jiayin Xu , Kangsheng Yin , Wenhan Yang

With the rapid increase in online photo sharing activities, image obfuscation algorithms become particularly important for protecting the sensitive information in the shared photos. However, existing image obfuscation methods based on…

Cryptography and Security · Computer Science 2018-11-20 Sen Liu , Jianxin Lin , Zhibo Chen

In this paper, we introduce an innovative method of safeguarding user privacy against the generative capabilities of Neural Radiance Fields (NeRF) models. Our novel poisoning attack method induces changes to observed views that are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Yihan Wu , Brandon Y. Feng , Heng Huang

Parameter-transfer is a well-known and versatile approach for meta-learning, with applications including few-shot learning, federated learning, and reinforcement learning. However, parameter-transfer algorithms often require sharing models…

Machine Learning · Computer Science 2020-02-24 Jeffrey Li , Mikhail Khodak , Sebastian Caldas , Ameet Talwalkar

Privacy becomes a crucial issue when outsourcing the training of machine learning (ML) models to cloud-based platforms offering machine-learning services. While solutions based on cryptographic primitives have been developed, they incur a…

Cryptography and Security · Computer Science 2020-10-21 Mathilde Raynal , Radhakrishna Achanta , Mathias Humbert

Gradient inversion attacks are often presented as a serious privacy threat in federated learning, with recent work reporting increasingly strong reconstructions under favorable experimental settings. However, it remains unclear whether such…

Cryptography and Security · Computer Science 2026-02-10 Viktor Valadi , Mattias Åkesson , Johan Östman , Fazeleh Hoseini , Salman Toor , Andreas Hellander

The widespread deployment of high-resolution visual sensing systems, coupled with the rise of foundation models, has amplified privacy risks in video-based applications. Differentially private pixelization offers mathematically guaranteed…

Cryptography and Security · Computer Science 2025-11-07 Ming Liu

We motivate and develop a new line of digital forensics. In the meanwhile, we propose a novel approach to photographer identification, a rarely explored authorship attribution problem. We report a proof-of-concept study, which shows the…

Cryptography and Security · Computer Science 2022-07-12 Aurélien Bourquard , Jeff Yan

Differential privacy is a widely accepted formal privacy definition that allows aggregate information about a dataset to be released while controlling privacy leakage for individuals whose records appear in the data. Due to the unavoidable…

Cryptography and Security · Computer Science 2022-09-09 Prottay Protivash , John Durrell , Zeyu Ding , Danfeng Zhang , Daniel Kifer

Machine Learning (ML) already has been integrated into all kinds of systems, helping developers to solve problems with even higher accuracy than human beings. However, when integrating ML models into a system, developers may accidentally…

Cryptography and Security · Computer Science 2019-08-07 Mingtian Tan , Zhe Zhou