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Statistical methods protecting sensitive information or the identity of the data owner have become critical to ensure privacy of individuals as well as of organizations. This paper investigates anonymization methods based on representation…

机器学习 · 统计学 2018-02-27 Clément Feutry , Pablo Piantanida , Yoshua Bengio , Pierre Duhamel

Privacy protection from surreptitious video recordings is an important societal challenge. We desire a computer vision system (e.g., a robot) that can recognize human activities and assist our daily life, yet ensure that it is not recording…

计算机视觉与模式识别 · 计算机科学 2016-12-28 Michael S. Ryoo , Brandon Rothrock , Charles Fleming , Hyun Jong Yang

Large Language Models (LLMs) pose significant privacy risks, potentially leaking training data due to implicit memorization. Existing privacy attacks primarily focus on membership inference attacks (MIAs) or data extraction attacks, but…

计算与语言 · 计算机科学 2025-06-11 Wenlong Meng , Zhenyuan Guo , Lenan Wu , Chen Gong , Wenyan Liu , Weixian Li , Chengkun Wei , Wenzhi Chen

The use of AI in public spaces continually raises concerns about privacy and the protection of sensitive data. An example is the deployment of detection and recognition methods on humans, where images are provided by surveillance cameras.…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Christoph Liebender , Ranulfo Bezerra , Kazunori Ohno , Satoshi Tadokoro

Recent progress in video diffusion models has markedly advanced character animation, which synthesizes motioned videos by animating a static identity image according to a driving video. Explicit methods represent motion using skeleton,…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Zhufeng Xu , Xuan Gao , Feng-Lin Liu , Haoxian Zhang , Zhixue Fang , Yu-Kun Lai , Xiaoqiang Liu , Pengfei Wan , Lin Gao

Gait recognition is the process of identifying humans from their bipedal locomotion such as walking or running. As such, gait data is privacy sensitive information and should be anonymized where possible. With the rise of higher quality…

密码学与安全 · 计算机科学 2023-09-04 Simon Hanisch , Evelyn Muschter , Admantini Hatzipanayioti , Shu-Chen Li , Thorsten Strufe

Analyzing human motion is a challenging task with a wide variety of applications in computer vision and in graphics. One such application, of particular importance in computer animation, is the retargeting of motion from one performer to…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Kfir Aberman , Rundi Wu , Dani Lischinski , Baoquan Chen , Daniel Cohen-Or

Recently privacy concerns of person re-identification (ReID) raise more and more attention and preserving the privacy of the pedestrian images used by ReID methods become essential. De-identification (DeID) methods alleviate privacy issues…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Shuguang Dou , Xinyang Jiang , Qingsong Zhao , Dongsheng Li , Cairong Zhao

This paper aims to improve privacy-preserving visual recognition, an increasingly demanded feature in smart camera applications, by formulating a unique adversarial training framework. The proposed framework explicitly learns a degradation…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Zhenyu Wu , Zhangyang Wang , Zhaowen Wang , Hailin Jin

We present a data-driven framework for unsupervised human motion retargeting that animates a target subject with the motion of a source subject. Our method is correspondence-free, requiring neither spatial correspondences between the source…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Rim Rekik , Mathieu Marsot , Anne-Hélène Olivier , Jean-Sébastien Franco , Stefanie Wuhrer

Motion retargeting is the long-standing problem in character animation that consists in transferring and adapting the motion of a source character to another target character. A typical application is the creation of motion sequences from…

图形学 · 计算机科学 2023-06-16 Lucas Mourot , Ludovic Hoyet , François Le Clerc , Pierre Hellier

Creating believable motions for various characters has long been a goal in computer graphics. Current learning-based motion synthesis methods depend on extensive motion datasets, which are often challenging, if not impossible, to obtain. On…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Qingqing Zhao , Peizhuo Li , Wang Yifan , Olga Sorkine-Hornung , Gordon Wetzstein

Transferring human motion and appearance between videos of human actors remains one of the key challenges in Computer Vision. Despite the advances from recent image-to-image translation approaches, there are several transferring contexts…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Thiago L. Gomes , Renato Martins , João Ferreira , Rafael Azevedo , Guilherme Torres , Erickson R. Nascimento

The development of artificial intelligence has significantly transformed people's lives. However, it has also posed a significant threat to privacy and security, with numerous instances of personal information being exposed online and…

密码学与安全 · 计算机科学 2024-02-28 Le Yang , Miao Tian , Duan Xin , Qishuo Cheng , Jiajian Zheng

The proliferation of large AI models trained on uncurated, often sensitive web-scraped data has raised significant privacy concerns. One of the concerns is that adversaries can extract information about the training data using privacy…

机器学习 · 计算机科学 2024-07-24 Dominik Hintersdorf , Lukas Struppek , Daniel Neider , Kristian Kersting

We introduce a novel formulation of visual privacy preservation for video foundation models that operates entirely in the latent space. While spatio-temporal features learned by foundation models have deepened general understanding of video…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Joseph Fioresi , Ishan Rajendrakumar Dave , Mubarak Shah

Wide-scale use of visual surveillance in public spaces puts individual privacy at stake while increasing resource consumption (energy, bandwidth, and computation). Neuromorphic vision sensors (event-cameras) have been recently considered a…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Shafiq Ahmad , Pietro Morerio , Alessio Del Bue

Data privacy is an increasingly important aspect of many real-world Data sources that contain sensitive information may have immense potential which could be unlocked using the right privacy enhancing transformations, but current methods…

机器学习 · 计算机科学 2021-02-09 John Martinsson , Edvin Listo Zec , Daniel Gillblad , Olof Mogren

Online person re-identification services face privacy breaches from potential data leakage and recovery attacks, exposing cloud-stored images to malicious attackers and triggering public concern. The privacy protection of pedestrian images…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Delong Zhang , Yi-Xing Peng , Xiao-Ming Wu , Ancong Wu , Wei-Shi Zheng

Face Recognition systems are widely deployed in real-world applications, but they also raise privacy concerns due to unauthorized collection and misuse of facial data. Existing adversarial privacy protection methods rely on input-space…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jiabei Zhang , Ziyuan Yang , Andrew Beng Jin Teoh , Yi Zhang