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In this paper, we propose a novel generative model-based attack on learnable image encryption methods proposed for privacy-preserving deep learning. Various learnable encryption methods have been studied to protect the sensitive visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 AprilPyone MaungMaung , Hitoshi Kiya

In the era of cloud computing and data-driven applications, it is crucial to protect sensitive information to maintain data privacy, ensuring truly reliable systems. As a result, preserving privacy in deep learning systems has become a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Fabian Perez , Jhon Lopez , Henry Arguello

The popularity of various social platforms has prompted more people to share their routine photos online. However, undesirable privacy leakages occur due to such online photo sharing behaviors. Advanced deep neural network (DNN) based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Mingfu Xue , Shichang Sun , Zhiyu Wu , Can He , Jian Wang , Weiqiang Liu

In this work is proposed a method using orthogonal matrix transform properties to encrypt and decrypt a message. It will be showed how to use matrix functions to create complex encryptions. Because orthogonal matrix are always…

Cryptography and Security · Computer Science 2014-01-28 Yeray Cachon Santana

To preserve client privacy in the data mining process, a variety of techniques based on random perturbation of data records have been proposed recently. In this paper, we present a generalized matrix-theoretic model of random perturbation,…

Databases · Computer Science 2007-05-23 Shipra Agrawal , Jayant R. Haritsa

In this paper, we present a protocol for computing the principal eigenvector of a collection of data matrices belonging to multiple semi-honest parties with privacy constraints. Our proposed protocol is based on secure multi-party…

Cryptography and Security · Computer Science 2010-07-30 Manas A. Pathak , Bhiksha Raj

The use of Machine Learning (ML) for data-driven decision-making often relies on access to sensitive datasets, which introduces privacy challenges. Traditional encryption methods protect data at rest or in transit but fail to secure it…

Cryptography and Security · Computer Science 2026-04-28 Alexandre Marques , Beatriz Sá , Rui Botelho , Pedro Pinto

In this paper, we consider a privacy preserving encoding framework for identification applications covering biometrics, physical object security and the Internet of Things (IoT). The proposed framework is based on a sparsifying transform,…

Cryptography and Security · Computer Science 2017-10-02 Behrooz Razeghi , Slava Voloshynovskiy , Dimche Kostadinov , Olga Taran

Classical techniques for protecting facial image privacy typically fall into two categories: data-poisoning methods, exemplified by Fawkes, which introduce subtle perturbations to images, or anonymization methods that generate images…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Mariia Zameshina , Marlene Careil , Olivier Teytaud , Laurent Najman

In this paper, we propose a novel method for protecting convolutional neural network (CNN) models with a secret key set so that unauthorized users without the correct key set cannot access trained models. The method enables us to protect…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 AprilPyone MaungMaung , Hitoshi Kiya

Privacy-preserving machine learning in data-sharing processes is an ever-critical task that enables collaborative training of Machine Learning (ML) models without the need to share the original data sources. It is especially relevant when…

In this paper, we propose privacy-preserving methods with a secret key for convolutional neural network (CNN)-based models in speech processing tasks. In environments where untrusted third parties, like cloud servers, provide CNN-based…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-08 Shoko Niwa , Sayaka Shiota , Hitoshi Kiya

Deep learning (DL)-based solutions have been extensively researched in the medical domain in recent years, enhancing the efficacy of diagnosis, planning, and treatment. Since the usage of health-related data is strictly regulated,…

Cryptography and Security · Computer Science 2023-09-01 Andreea Bianca Popescu , Cosmin Ioan Nita , Ioana Antonia Taca , Anamaria Vizitiu , Lucian Mihai Itu

Many commonly used learning algorithms work by iteratively updating an intermediate solution using one or a few data points in each iteration. Analysis of differential privacy for such algorithms often involves ensuring privacy of each step…

Machine Learning · Computer Science 2018-12-12 Vitaly Feldman , Ilya Mironov , Kunal Talwar , Abhradeep Thakurta

Preserving the privacy and security of big data in the context of cloud computing, while maintaining a certain level of efficiency of its processing remains to be a subject, open for improvement. One of the most popular applications…

Cryptography and Security · Computer Science 2022-02-02 Ş. S. Mağara , C. Yıldırım , F. Yaman , B. Dilekoğlu , F. R. Tutaş , E. Öztürk , K. Kaya , Ö. Taştan , E. Savaş

This article presents block-wise image encryption for the vision transformer and its applications. Perceptual image encryption for deep learning enables us not only to protect the visual information of plain images but to also embed unique…

Cryptography and Security · Computer Science 2023-08-16 Hitoshi Kiya , Ryota Iijima , Teru Nagamori

Requiring less data for accurate models, few-shot learning has shown robustness and generality in many application domains. However, deploying few-shot models in untrusted environments may inflict privacy concerns, e.g., attacks or…

Machine Learning · Computer Science 2022-08-24 Archit Parnami , Muhammad Usama , Liyue Fan , Minwoo Lee

We consider the recent privacy preserving methods that train the models not on original images, but on mixed images that look like noise and hard to trace back to the original images. We explain that those mixed images will be samples on…

Machine Learning · Computer Science 2021-03-02 Roozbeh Yousefzadeh

In this paper, we study the privacy-preserving distributed optimization problem, aiming to prevent attackers from stealing the private information of agents. For this purpose, we propose a novel privacy-preserving algorithm based on the…

Optimization and Control · Mathematics 2024-05-15 Bing Liu , Furan Xie , Li Chai

We propose an image identification scheme for double-compressed encrypted JPEG images that aims to identify encrypted JPEG images that are generated from an original JPEG image. To store images without any visual sensitive information on…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Kenta Iida , Hitoshi Kiya