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Person re-identification (Re-ID) is a key challenge in computer vision, requiring the matching of individuals across cameras, locations, and time. While most research focuses on short-term scenarios with minimal appearance changes,…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Bessie Dominguez-Dager , Felix Escalona , Francisco Gomez-Donoso , Miguel Cazorla

Notwithstanding offering convenience and entertainment to society, Deepfake face swapping has caused critical privacy issues with the rapid development of deep generative models. Due to imperceptible artifacts in high-quality synthetic…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Tianyi Wang , Mengxiao Huang , Harry Cheng , Bin Ma , Yinglong Wang

The surge in multimodal AI's success has sparked concerns over data privacy in vision-and-language tasks. While CLIP has revolutionized multimodal learning through joint training on images and text, its potential to unintentionally disclose…

机器学习 · 计算机科学 2024-03-04 Alyssa Huang , Peihan Liu , Ryumei Nakada , Linjun Zhang , Wanrong Zhang

Person re-identification (Re-ID) technology plays an increasingly crucial role in intelligent surveillance systems. Widespread occlusion significantly impacts the performance of person Re-ID. Occluded person Re-ID refers to a pedestrian…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Enhao Ning , Changshuo Wang , Huang Zhangc , Xin Ning , Prayag Tiwari

Local differential privacy (LDP) is a variant of differential privacy (DP) that avoids the need for a trusted central curator, at the cost of a worse trade-off between privacy and utility. The shuffle model is a way to provide greater…

密码学与安全 · 计算机科学 2023-05-23 Mireya Jurado , Ramon G. Gonze , Mário S. Alvim , Catuscia Palamidessi

Any on-demand pseudonym acquisition strategy is problematic should the connectivity to the credential management infrastructure be intermittent. If a vehicle runs out of pseudonyms with no connectivity to refill its pseudonym pool, one…

密码学与安全 · 计算机科学 2017-12-12 Mohammad Khodaei , Andreas Messing , Panos Papadimitratos

In this work we propose Identity Consistency Transformer, a novel face forgery detection method that focuses on high-level semantics, specifically identity information, and detecting a suspect face by finding identity inconsistency in inner…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Xiaoyi Dong , Jianmin Bao , Dongdong Chen , Ting Zhang , Weiming Zhang , Nenghai Yu , Dong Chen , Fang Wen , Baining Guo

Deep learning models are increasingly deployed in real-world applications. These models are often deployed on the server-side and receive user data in an information-rich representation to solve a specific task, such as image…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Jonghu Jeong , Minyong Cho , Philipp Benz , Jinwoo Hwang , Jeewook Kim , Seungkwan Lee , Tae-hoon Kim

Face attribute editing aims to generate faces with one or multiple desired face attributes manipulated while other details are preserved. Unlike prior works such as GAN inversion, which has an expensive reverse mapping process, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Zhiliang Xu , Xiyu Yu , Zhibin Hong , Zhen Zhu , Junyu Han , Jingtuo Liu , Errui Ding , Xiang Bai

Rekeying refers to an operation of replacing an existing key with a new key for encryption. It renews security protection, so as to protect against key compromise and enable dynamic access control in cryptographic storage. However, it is…

分布式、并行与集群计算 · 计算机科学 2017-04-13 Chuan Qin , Jingwei Li , Patrick P. C. Lee

Conditional GANs are frequently used for manipulating the attributes of face images, such as expression, hairstyle, pose, or age. Even though the state-of-the-art models successfully modify the requested attributes, they simultaneously…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Adrian Suwała , Bartosz Wójcik , Magdalena Proszewska , Jacek Tabor , Przemysław Spurek , Marek Śmieja

The widespread use of face recognition technology has given rise to privacy concerns, as many individuals are worried about the collection and utilization of their facial data. To address these concerns, researchers are actively exploring…

密码学与安全 · 计算机科学 2023-10-26 Zhiling Zhang , Jie Zhang , Kui Zhang , Wenbo Zhou , Weiming Zhang , Nenghai Yu

Identifying the same individual across different scenes is an important yet difficult task in intelligent video surveillance. Its main difficulty lies in how to preserve similarity of the same person against large appearance and structure…

计算机视觉与模式识别 · 计算机科学 2015-12-14 Shengyong Ding , Liang Lin , Guangrun Wang , Hongyang Chao

This work considers identity attack on a radio-frequency identification (RFID)-based backscatter communication system. Specifically, we consider a single-reader, single-tag RFID system whereby the reader and the tag undergo two-way…

信号处理 · 电气工程与系统科学 2020-09-02 Ahsan Mehmood , Waqas Aman , M. Mahboob Ur Rahman , M. A. Imran , Qammer H. Abbasi

When collecting information, local differential privacy (LDP) alleviates privacy concerns of users because their private information is randomized before being sent it to the central aggregator. LDP imposes large amount of noise as each…

密码学与安全 · 计算机科学 2020-08-04 Tianhao Wang , Bolin Ding , Min Xu , Zhicong Huang , Cheng Hong , Jingren Zhou , Ninghui Li , Somesh Jha

Deepfake detection is a long-established research topic vital for mitigating the spread of malicious misinformation. Unlike prior methods that provide either binary classification results or textual explanations separately, we introduce a…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Xiao Guo , Xiufeng Song , Yue Zhang , Xiaohong Liu , Xiaoming Liu

Current low-latency anonymity systems use complex overlay networks to conceal a user's IP address, introducing significant latency and network efficiency penalties compared to normal Internet usage. Rather than obfuscating network identity…

密码学与安全 · 计算机科学 2014-07-15 Jody Sankey , Matthew Wright

Large training data and expensive model tweaking are standard features of deep learning for images. As a result, data owners often utilize cloud resources to develop large-scale complex models, which raises privacy concerns. Existing…

密码学与安全 · 计算机科学 2023-01-03 Sagar Sharma , Yuechun Gu , Keke Chen

Video-based person re-identification (video re-ID) has lately fascinated growing attention due to its broad practical applications in various areas, such as surveillance, smart city, and public safety. Nevertheless, video re-ID is quite…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Khawar Islam

Person re-identification (ReID) is a fundamental task in many real-world applications such as pedestrian trajectory tracking. However, advanced deep learning-based ReID models are highly susceptible to adversarial attacks, where…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Yuhang Zhou , Yanxiang Zhao , Zhongyun Hua , Zhipu Liu , Zhaoquan Gu , Qing Liao , Leo Yu Zhang