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相关论文: MSPPIR: Multi-source privacy-preserving image retr…

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The explosive increase and ubiquitous accessibility of visual data on the Web have led to the prosperity of research activity in image search or retrieval. With the ignorance of visual content as a ranking clue, methods with text search…

多媒体 · 计算机科学 2017-09-05 Wengang Zhou , Houqiang Li , Qi Tian

Private Information Retrieval (PIR) is a fundamental problem in the broader fields of security and privacy. In recent years, the problem has garnered significant attention from the research community, leading to achievability schemes and…

信息论 · 计算机科学 2025-02-21 Ningze Wang , Anoosheh Heidarzadeh , Alex Sprintson

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

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

The rising need of secret image sharing with high security has led to much advancement in lucrative exchange of important images which contain vital and confidential information. Multi secret image sharing system (MSIS) is an efficient and…

密码学与安全 · 计算机科学 2017-10-27 Karthik Reddy , Tejas K , Swathi C , Ashok K , Rajesh Kumar M

In the classical private information retrieval (PIR) setup, a user wants to retrieve a file from a database or a distributed storage system (DSS) without revealing the file identity to the servers holding the data. In the quantum PIR (QPIR)…

信息论 · 计算机科学 2020-08-10 Matteo Allaix , Lukas Holzbaur , Tefjol Pllaha , Camilla Hollanti

Composed Image Retrieval (CIR) retrieves target images using a multi-modal query that combines a reference image with text describing desired modifications. The primary challenge is effectively fusing this visual and textual information.…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Chaoyang Wang , Zeyu Zhang , Long Teng , Zijun Li , Shichao Kan

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

Secret sharing is a new alternative for outsourcing data in a secure way.It avoids the need for time consuming encryption decryption process and also the complexity involved in key management.The data must also be protected from untrusted…

密码学与安全 · 计算机科学 2015-02-27 V. P. Binu , A. Sreekumar

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

Image retrieval systems help users to browse and search among extensive images in real-time. With the rise of cloud computing, retrieval tasks are usually outsourced to cloud servers. However, the cloud scenario brings a daunting challenge…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Qihua Feng , Peiya Li , Zhixun Lu , Chaozhuo Li , Zefang Wang , Zhiquan Liu , Chunhui Duan , Feiran Huang

We consider the problem of private information retrieval (PIR) from MDS coded databases with colluding servers, i.e., MDS-TPIR. In the MDS-TPIR setting, $M$ files are stored across $N$ servers, where each file is stored independently using…

信息论 · 计算机科学 2026-03-12 Rui Sun , Ran Tao , Jingke Xu , Yiwei Zhang

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

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

In this paper, we introduce an approach to overcome the low accuracy of the Content-Based Image Retrieval (CBIR) (when using the global features). To increase the accuracy, we use Harris-Laplace detector to identify the interest regions of…

计算机视觉与模式识别 · 计算机科学 2015-06-03 Thanh The Van , Thanh Manh Le

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

In tissue characterization and cancer diagnostics, multimodal imaging has emerged as a powerful technique. Thanks to computational advances, large datasets can be exploited to discover patterns in pathologies and improve diagnosis. However,…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Eva Breznik , Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje

The paper approaches the binary signature for each image based on the percentage of the pixels in each color images, at the same time the paper builds a similar measure between images based on EMD (Earth Mover's Distance). Besides, the…

计算机视觉与模式识别 · 计算机科学 2015-06-04 Thanh Manh Le , Thanh The Van

Content Based Image Retrieval(CBIR) is one of the important subfield in the field of Information Retrieval. The goal of a CBIR algorithm is to retrieve semantically similar images in response to a query image submitted by the end user. CBIR…

信息检索 · 计算机科学 2014-09-03 Vikas Verma

The purpose of this Paper is to describe our research on different feature extraction and matching techniques in designing a Content Based Image Retrieval (CBIR) system. Due to the enormous increase in image database sizes, as well as its…

多媒体 · 计算机科学 2010-02-10 Mr. Kondekar V. H. , Mr. Kolkure V. S. , Prof. Kore S. N