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Related papers: P3: Toward Privacy-Preserving Photo Sharing

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In this paper, we propose a novel privacy-preserving machine learning scheme with encrypted images, called EtC (Encryption-then-Compression) images. Using machine learning algorithms in cloud environments has been spreading in many fields.…

Cryptography and Security · Computer Science 2019-11-04 Ayana Kawamura , Yuma Kinoshita , Hitoshi Kiya

We propose a new computationally efficient privacy-preserving identification framework based on layered sparse coding. The key idea of the proposed framework is a sparsifying transform learning with ambiguization, which consists of a…

Information Theory · Computer Science 2018-06-25 Behrooz Razeghi , Slava Voloshynovskiy , Sohrab Ferdowsi , Dimche Kostadinov

In this paper, we propose a privacy-preserving image classification method that uses encrypted images and an isotropic network such as the vision transformer. The proposed method allows us not only to apply images without visual information…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 AprilPyone MaungMaung , Hitoshi Kiya

Privacy-preserving distributed processing has received considerable attention recently. The main purpose of these algorithms is to solve certain signal processing tasks over a network in a decentralised fashion without revealing…

Signal Processing · Electrical Eng. & Systems 2023-12-14 Sebastian O. Jordan , Qiongxiu Li , Richard Heusdens

Location-based Services (LBSs) provide valuable services, with convenient features for users. However, the information disclosed through each request harms user privacy. This is a concern particularly with honest-but-curious LBS servers,…

Cryptography and Security · Computer Science 2020-01-22 Hongyu Jin , Panos Papadimitratos

Social networking services are increasingly accessed through mobile devices. This trend has prompted services such as Facebook and Google+ to incorporate location as a de facto feature of user interaction. At the same time, services based…

Cryptography and Security · Computer Science 2015-02-12 Gokay Saldamli , Richard Chow , Hongxia Jin

Even though cloud computing provides many intrinsic benefits, privacy concerns related to the lack of control over the storage and management of the outsourced data still prevent many customers from migrating to the cloud. Several…

Cryptography and Security · Computer Science 2017-07-07 David Sánchez , Montserrat Batet

A new technique for embedding data into an image coupled with compression has been proposed in this paper. A fast and efficient coding algorithms are needed for effective storage and transmission, due to the popularity of telemedicine and…

Cryptography and Security · Computer Science 2016-04-12 M. MaryShanthi Rani , S. Lakshmanan

Lensless imaging can provide visual privacy due to the highly multiplexed characteristic of its measurements. However, this alone is a weak form of security, as various adversarial attacks can be designed to invert the one-to-many scene…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Eric Bezzam , Martin Vetterli , Matthieu Simeoni

Privacy preservation is an important issue in today's context of extreme penetration of internet and mobile technologies. It is more important in the case of Wireless Sensor Networks (WSNs) where collected data often requires in-network…

Cryptography and Security · Computer Science 2016-11-17 Arijit Ukil

Face recognition service has been used in many fields and brings much convenience to people. However, once the user's facial data is transmitted to a service provider, the user will lose control of his/her private data. In recent years,…

Cryptography and Security · Computer Science 2023-11-14 Yuwen Pu , Jiahao Chen , Jiayu Pan , Hao li , Diqun Yan , Xuhong Zhang , Shouling Ji

In this paper, we propose a proxy system with JPEG bitstream-based file-size preserving encryption to securely store compressed images in cloud environments. The proposed system, which is settled between client's device and the Internet,…

Other Computer Science · Computer Science 2022-01-11 Hiroyuki Kobayashi , Hitoshi Kiya

The rapid advancement of technology has resulted in advanced camera capabilities coming to smaller form factors with improved energy efficiency. These improvements have led to more efficient and capable cameras on mobile devices like mobile…

Computers and Society · Computer Science 2022-05-09 Sreejith Gopinath , Aspen Olmsted

Visual localization is the task of estimating the camera pose from which a given image was taken and is central to several 3D computer vision applications. With the rapid growth in the popularity of AR/VR/MR devices and cloud-based…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Kunal Chelani , Torsten Sattler , Fredrik Kahl , Zuzana Kukelova

Several anonymization techniques, such as generalization and bucketization, have been designed for privacy preserving microdata publishing. Recent work has shown that generalization loses considerable amount of information, especially for…

Databases · Computer Science 2009-09-15 Tiancheng Li , Ninghui Li , Jian Zhang , Ian Molloy

With an increasing number of users sharing information online, privacy implications entailing such actions are a major concern. For explicit content, such as user profile or GPS data, devices (e.g. mobile phones) as well as web services…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Tribhuvanesh Orekondy , Bernt Schiele , Mario Fritz

In this paper, we propose a novel content based-image retrieval scheme allowing the mixed use of encrypted and plain images for the first time. In the proposed scheme, images are encrypted by a block-scrambling method developed for…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Kenta Iida , Hitoshi Kiya

Today, vast amounts of location data are collected by various service providers. These location data owners have a good idea of where their users are most of the time. Other businesses also want to use this information for location…

Cryptography and Security · Computer Science 2019-05-01 Emre Yilmaz , Hakan Ferhatosmanoglu , Erman Ayday , Remzi Can Aksoy

Privacy protection in medical data is a legitimate obstacle for centralized machine learning applications. Here, we propose a client-server image segmentation system which allows for the analysis of multi-centric medical images while…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Bach Kim , Jose Dolz , Pierre-Marc Jodoin , Christian Desrosiers

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,…

Cryptography and Security · Computer Science 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh