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Related papers: MSPPIR: Multi-source privacy-preserving image retr…

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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…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Kenta Iida , Hitoshi Kiya

With the deep integration of facial recognition into online banking, identity verification, and other networked services, achieving effective decoupling of identity information from visual representations during image storage and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Zhuosen Bao , Xia Du , Zheng Lin , Jizhe Zhou , Zihan Fang , Jiening Wu , Yuxin Zhang , Zhe Chen , Chi-man Pun , Wei Ni , Jun Luo

Remote sensing composed image retrieval (RSCIR) enables search in large satellite image archives using composed queries that combine a reference image with a textual modifier. Although RSCIR offers a flexible interface for expressing…

Retrieving up-to-date information from a publicly accessible database poses significant threats to the user's privacy. {\em Private information retrieval} (PIR) protocols allow a user to retrieve any entry from a database, without revealing…

Cryptography and Security · Computer Science 2025-12-02 Liang Feng Zhang

Private information retrieval (PIR) protocols make it possible to retrieve a file from a database without disclosing any information about the identity of the file being retrieved. These protocols have been rigorously explored from an…

Information Theory · Computer Science 2019-05-07 Hsuan-Yin Lin , Siddhartha Kumar , Eirik Rosnes , Alexandre Graell i Amat , Eitan Yaakobi

With the rapidly changing technological realm, there is an urgent need to provide and protect the confidentiality of confidential images when stored in a cloud environment. To overcome the security risks associated with single cloud,…

Cryptography and Security · Computer Science 2016-11-24 Dr. Grasha Jacob , Dr. A. Murugan

Consider the problem of Private Information Retrieval (PIR), where a user wishes to retrieve a single message from $N$ non-communicating and non-colluding databases (servers). All servers store the same set of $M$ messages and they respond…

Information Theory · Computer Science 2020-05-20 Ori Shmuel , Asaf Cohen

With the evolution of storage and communication protocols, ultra-low bitrate image compression has become a highly demanding topic. However, existing compression algorithms must sacrifice either consistency with the ground truth or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Chunyi Li , Guo Lu , Donghui Feng , Haoning Wu , Zicheng Zhang , Xiaohong Liu , Guangtao Zhai , Weisi Lin , Wenjun Zhang

Composed Image Retrieval (CIR) involves retrieving a target image based on a composed query of an image paired with text that specifies modifications or changes to the visual reference. CIR is inherently an instruction-following task, as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Wenliang Zhong , Weizhi An , Feng Jiang , Hehuan Ma , Yuzhi Guo , Junzhou Huang

We consider the problem of Private Information Retrieval with Private Side Information (PIR-PSI), wherein a user wants to retrieve a file from replication based non-colluding databases by using the prior knowledge of a subset of the files…

Information Theory · Computer Science 2021-05-18 Murali Krishnan K. H. , J. Harshan

Composed Image Retrieval (CIR) is a pivotal and complex task in multimodal understanding. Current CIR benchmarks typically feature limited query categories and fail to capture the diverse requirements of real-world scenarios. To bridge this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Tingyu Song , Yanzhao Zhang , Mingxin Li , Zhuoning Guo , Dingkun Long , Pengjun Xie , Siyue Zhang , Yilun Zhao , Shu Wu

Composed Image Retrieval (CIR) allows users to search for images by combining a reference image with a text prompt that describes desired modifications. While vision-language models like CLIP have popularized this task by embedding multiple…

Human-Computer Interaction · Computer Science 2026-02-17 Ioannis Dravilas , Ioannis Kapetangeorgis , Anastasios Latsoudis , Conor McCarthy , Gonçalo Marcelino , Marcel Worring

Decentralized Storage Networks (DSNs) are emerging as a foundational infrastructure for Web 3.0, offering global peer-to-peer storage. However, a critical vulnerability persists: user privacy during file retrieval remains largely…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-09 Jiahao Zhang , Minghui Xu , Hechuan Guo , Xiuzhen Cheng

We consider both the classical and quantum variations of $X$-secure, $E$-eavesdropped and $T$-colluding symmetric private information retrieval (SPIR). This is the first work to study SPIR with $X$-security in classical or quantum…

Information Theory · Computer Science 2023-08-22 Alptug Aytekin , Mohamed Nomeir , Sajani Vithana , Sennur Ulukus

Private information retrieval (PIR) is the problem of privately retrieving one out of $M$ original files from $N$ severs, i.e., each individual server learns nothing about the file that the user is requesting. Usually, the $M$ files are…

Information Theory · Computer Science 2020-03-13 Jie Li , David Karpuk , Camilla Hollanti

Running deep neural networks for large medical images is a resource-hungry and time-consuming task with centralized computing. Outsourcing such medical image processing tasks to hybrid clouds has benefits, such as a significant reduction of…

Computational Engineering, Finance, and Science · Computer Science 2024-05-27 Yuandou Wang , Neel Kanwal , Kjersti Engan , Chunming Rong , Paola Grosso , Zhiming Zhao

Composed Image Retrieval (CIR) is a complex task that aims to retrieve images based on a multimodal query. Typical training data consists of triplets containing a reference image, a textual description of desired modifications, and the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chuong Huynh , Jinyu Yang , Ashish Tawari , Mubarak Shah , Son Tran , Raffay Hamid , Trishul Chilimbi , Abhinav Shrivastava

Composed Image Retrieval (CIR) is a challenging image retrieval paradigm. It aims to retrieve target images from large-scale image databases that are consistent with the modification semantics, based on a multimodal query composed of a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Mingyu Zhang , Zixu Li , Zhiwei Chen , Zhiheng Fu , Xiaowei Zhu , Jiajia Nie , Yinwei Wei , Yupeng Hu

It is known that JPEG images uploaded to social networks (SNs) are mostly re-compressed by the social network providers. Because of such a situation, a new image identification scheme for double-compressed JPEG images is proposed in this…

Image and Video Processing · Electrical Eng. & Systems 2019-01-30 Kenta Iida , Hitoshi Kiya

Deep learning model inference on embedded devices is challenging due to the limited availability of computation resources. A popular alternative is to perform model inference on the cloud, which requires transmitting images from the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Jiuhong Xiao , Lavisha Aggarwal , Prithviraj Banerjee , Manoj Aggarwal , Gerard Medioni