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Facial recognition models are increasingly employed by commercial enterprises, government agencies, and cloud service providers for identity verification, consumer services, and surveillance. These models are often trained using vast…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chen Chen , Mengyuan Sun , Xueluan Gong , Yanjiao Chen , Qian Wang

In the recent years, we have observed three significant trends in control systems: a renewed interest in data-driven control design, the abundance of cloud computational services and the importance of preserving privacy for the system under…

系统与控制 · 电气工程与系统科学 2025-04-22 Teimour Hosseinalizadeh , Nima Monshizadeh

Cloud computing is a powerful and popular information technology paradigm that enables data service outsourcing and provides higher-level services with minimal management effort. However, it is still a key challenge to protect data privacy…

量子物理 · 物理学 2024-05-14 Wenjie Liu , Peipei Gao , Zhihao Liu , Hanwu Chen , Maojun Zhang

Outsourcing a relational database to the cloud offers several benefits, including scalability, availability, and cost-effectiveness. However, there are concerns about the security and confidentiality of the outsourced data. A general…

密码学与安全 · 计算机科学 2023-12-20 Johannes Koppenwallner , Erich Schikuta

A lot of research has been focused on secure outsourcing of biometric identification in the context of cloud computing. In such schemes, both the encrypted biometric database and the identification process are outsourced to the cloud. The…

密码学与安全 · 计算机科学 2018-09-13 Kai Zhou , Jian Ren

Privacy Security of data in Cloud Storage is one of the main issues. Many Frameworks and Technologies are used to preserve data security in cloud storage. [1] Proposes a framework which includes the design of data organization structure,…

密码学与安全 · 计算机科学 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh

Private Information Retrieval (PIR) schemes allow clients to retrieve files from a database without disclosing the requested file's identity to the server. In the pursuit of post-quantum security, most recent PIR schemes rely on hard…

密码学与安全 · 计算机科学 2025-07-28 Svenja Lage , Hannes Bartz

Security has become a significant concern with the increased popularity of cloud storage services. It comes with the vulnerability of being accessed by third parties. Security is one of the major hurdles in the cloud server for the user…

密码学与安全 · 计算机科学 2023-06-07 Mazharul Islam

Data outsourcing allows data owners to keep their data at \emph{untrusted} clouds that do not ensure the privacy of data and/or computations. One useful framework for fault-tolerant data processing in a distributed fashion is MapReduce,…

数据库 · 计算机科学 2019-08-07 Shlomi Dolev , Peeyush Gupta , Yin Li , Sharad Mehrotra , Shantanu Sharma

Cloud computing services provide a scalable solution for the storage and processing of images and multimedia files. However, concerns about privacy risks prevent users from sharing their personal images with third-party services. In this…

密码学与安全 · 计算机科学 2019-08-15 M. Tarek Ibn Ziad , Amr Alanwar , Moustafa Alzantot , Mani Srivastava

Content-based image retrieval (CBIR) has been one of the most important research areas in computer vision. It is a widely used method for searching images in huge databases. In this paper we present a CBIR system called NOHIS-Search. The…

信息检索 · 计算机科学 2013-03-01 Mounira Taileb

Content-Based Image Retrieval (CBIR) systems have been widely used for a wide range of applications such as Art collections, Crime prevention and Intellectual property. In this paper, a novel CBIR system, which utilizes visual contents…

计算机视觉与模式识别 · 计算机科学 2017-03-23 I. M. El-Henawy , Kareem Ahmed

In this paper, we propose a privacy-preserving image-retrieval scheme using a codebook generated by using a plain-image dataset. Encryption-then-compression (EtC) images, which were proposed for EtC systems, have been used in conventional…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Kenta Iida , Hitoshi Kiya

The aim of a Content-Based Image Retrieval (CBIR) system, also known as Query by Image Content (QBIC), is to help users to retrieve relevant images based on their contents. CBIR technologies provide a method to find images in large…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Aman Chadha , Sushmit Mallik , Ravdeep Johar

Recently, cloud storage and processing have been widely adopted. Mobile users in one family or one team may automatically backup their photos to the same shared cloud storage space. The powerful face detector trained and provided by a 3rd…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Xin Jin , Shiming Ge , Chenggen Song

Outsourcing data in the cloud has become nowadays very common. Since -- generally speaking -- cloud data storage and management providers cannot be fully trusted, mechanisms providing the confidentiality of the stored data are necessary. A…

密码学与安全 · 计算机科学 2014-03-12 Alberto Trombetta , Giuseppe Persiano , Stefano Braghin

Visual cryptography aims to protect images against their possible illegitimate use. Thus, one can cipher, hash, or add watermarks for protecting copyright, among others. In this paper we provide a new solution to the problem of secret…

密码学与安全 · 计算机科学 2023-06-22 José Ignacio Farrán , David Cerezo

In this paper, we propose a novel content-based image-retrieval scheme that allows us to use a mixture of plain images and compressible encrypted ones called "encryption-then-compression (EtC) images." In the proposed scheme, extended…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Kenta Iida , Hitoshi Kiya

Remote sensing (RS) images are usually stored in compressed format to reduce the storage size of the archives. Thus, existing content-based image retrieval (CBIR) systems in RS require decoding images before applying CBIR (which is…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Gencer Sumbul , Jun Xiang , Nimisha Thekke Madam , Begüm Demir

Deep learning-based approaches for content-based image retrieval (CBIR) of CT liver images is an active field of research, but suffers from some critical limitations. First, they are heavily reliant on labeled data, which can be challenging…