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The growing presence of AI-generated videos on social networks poses new challenges for deepfake detection, as detectors trained under controlled conditions often fail to generalize to real-world scenarios. A key factor behind this gap is…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Andrea Montibeller , Dasara Shullani , Daniele Baracchi , Alessandro Piva , Giulia Boato

While homomorphic encryption (HE) provides strong privacy protection, its high computational cost has restricted its application to simple tasks. Recently, hyperdimensional computing (HDC) applied to HE has shown promising performance for…

密码学与安全 · 计算机科学 2025-11-04 Jaewoo Park , Chenghao Quan , Jongeun Lee

Detecting empathy from video interactions has emerging applications, yet raw videos that could be used for training AI models are rarely available due to privacy and ethical constraints. Public benchmarks are consequently released only as…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Md Rakibul Hasan , Md Zakir Hossain , Aneesh Krishna , Shafin Rahman , Tom Gedeon

Federated learning (FL) has come forward as a critical approach for privacy-preserving machine learning in healthcare, allowing collaborative model training across decentralized medical datasets without exchanging clients' data. However,…

密码学与安全 · 计算机科学 2026-02-06 Abdulkadir Korkmaz , Praveen Rao

Designing a data sharing mechanism without sacrificing too much privacy can be considered as a game between data holders and malicious attackers. This paper describes a compressive adversarial privacy framework that captures the trade-off…

机器学习 · 计算机科学 2019-01-28 Xiao Chen , Peter Kairouz , Ram Rajagopal

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…

音频与语音处理 · 电气工程与系统科学 2024-08-08 Shoko Niwa , Sayaka Shiota , Hitoshi Kiya

We introduce a protocol called ENCORE which simultaneously compresses and encrypts data in a one-pass process that can be implemented efficiently and possesses a number of desirable features as a streaming encoder/decoder. Motivated by the…

密码学与安全 · 计算机科学 2025-01-28 Joshua Cooper , Grant Fickes

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 the recent years, pixel-based perceptual algorithms have been successfully applied for privacy-preserving deep learning (DL) based applications. However, their security has been broken in subsequent works by demonstrating a…

密码学与安全 · 计算机科学 2022-04-08 Ijaz Ahmad , Seokjoo Shin

High-energy large-scale particle colliders generate data at extraordinary rates. Developing real-time high-throughput data compression algorithms to reduce data volume and meet the bandwidth requirement for storage has become increasingly…

Sparse matrix-vector multiplication (SpMV) is a fundamental operation in scientific computing, data analysis, and machine learning. When the data being processed are sensitive, preserving privacy becomes critical, and homomorphic encryption…

密码学与安全 · 计算机科学 2026-03-06 Yang Gao , Gang Quan , Wujie Wen , Scott Piersall , Qian Lou , Liqiang Wang

Video coding, which targets to compress and reconstruct the whole frame, and feature compression, which only preserves and transmits the most critical information, stand at two ends of the scale. That is, one is with compactness and…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Ling-Yu Duan , Jiaying Liu , Wenhan Yang , Tiejun Huang , Wen Gao

The volume of remote sensing data is experiencing rapid growth, primarily due to the plethora of space and air platforms equipped with an array of sensors. Due to limited hardware and battery constraints the data is transmitted back to…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Alessandro Giuliano , S. Andrew Gadsden , Waleed Hilal , John Yawney

A cache-aided compression problem with perfect privacy is studied, where a server has access to a database of $N$ files, $(Y_1,...,Y_N)$, each of size $F$ bits. The server is connected to $K$ users through a shared link, where each user has…

信息论 · 计算机科学 2025-06-17 Amirreza Zamani , Mikael Skoglund

Privacy-preserving technologies have introduced a paradigm shift that allows for realizable secure computing in real-world systems. The significant barrier to the practical adoption of these primitives is the computational and communication…

密码学与安全 · 计算机科学 2025-09-30 Yaman Jandali , Ruisi Zhang , Nojan Sheybani , Farinaz Koushanfar

As a primary encryption primitive balancing the privacy and searchability of cloud storage images, thumbnail preserving encryption (TPE) enables users to quickly identify the privacy personal image on the cloud and request this image from…

密码学与安全 · 计算机科学 2025-04-09 Dong Xie , Zhiyang Li , Shuangxi Guo , Fulong Chen , Peng Hu

This paper explores the use of partially homomorphic encryption (PHE) for encrypted vector similarity search, with a focus on facial recognition and broader applications like reverse image search, recommendation engines, and large language…

密码学与安全 · 计算机科学 2025-03-11 Sefik Serengil , Alper Ozpinar

In this paper we present a a deep generative model for lossy video compression. We employ a model that consists of a 3D autoencoder with a discrete latent space and an autoregressive prior used for entropy coding. Both autoencoder and prior…

图像与视频处理 · 电气工程与系统科学 2020-05-11 Amirhossein Habibian , Ties van Rozendaal , Jakub M. Tomczak , Taco S. Cohen

Federated learning (FL) has emerged as a collaborative approach that allows multiple clients to jointly learn a machine learning model without sharing their private data. The concern about privacy leakage, albeit demonstrated under specific…

密码学与安全 · 计算机科学 2024-06-04 Hanlin Gu , Jiahuan Luo , Yan Kang , Yuan Yao , Gongxi Zhu , Bowen Li , Lixin Fan , Qiang Yang

Pedestrian Attribute Recognition is a foundational computer vision task that provides essential support for downstream applications, including person retrieval in video surveillance and intelligent retail analytics. However, existing…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Minghe Xu , Rouying Wu , Jiarui Xu , Minhao Sun , Zikang Yan , Xiao Wang , ChiaWei Chu , Yu Li