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Effective fraud detection and analysis of government-issued identity documents, such as passports, driver's licenses, and identity cards, are essential in thwarting identity theft and bolstering security on online platforms. The training of…

Background: High-level system testing of applications that use data from e-Government services as input requires test data that is real-life-like but where the privacy of personal information is guaranteed. Applications with such strong…

机器学习 · 计算机科学 2026-02-09 Maj-Annika Tammisto , Faiz Ali Shah , Daniel Rodriguez , Dietmar Pfahl

Face anti-spoofing is essential to prevent face recognition systems from a security breach. Much of the progresses have been made by the availability of face anti-spoofing benchmark datasets in recent years. However, existing face…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Shifeng Zhang , Xiaobo Wang , Ajian Liu , Chenxu Zhao , Jun Wan , Sergio Escalera , Hailin Shi , Zezheng Wang , Stan Z. Li

The rapid progress in deep learning has given rise to hyper-realistic facial forgery methods, leading to concerns related to misinformation and security risks. Existing face forgery datasets have limitations in generating high-quality…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhongxi Chen , Ke Sun , Ziyin Zhou , Xianming Lin , Xiaoshuai Sun , Liujuan Cao , Rongrong Ji

In the realm of digital media, the advent of AI-generated synthetic images has introduced significant challenges in distinguishing between real and fabricated visual content. These images, often indistinguishable from authentic ones, pose a…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Yuyang Wang , Yizhi Hao , Amando Xu Cong

Deeply-learned face representations enable the success of current face recognition systems. Despite the ability of these representations to encode the identity of an individual, recent works have shown that more information is stored…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Philipp Terhörst , Daniel Fährmann , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Automatic face recognition is a research area with high popularity. Many different face recognition algorithms have been proposed in the last thirty years of intensive research in the field. With the popularity of deep learning and its…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Tiago de Freitas Pereira , Dominic Schmidli , Yu Linghu , Xinyi Zhang , Sébastien Marcel , Manuel Günther

Techniques to deliver privacy-preserving synthetic datasets take a sensitive dataset as input and produce a similar dataset as output while maintaining differential privacy. These approaches have the potential to improve data sharing and…

数据库 · 计算机科学 2018-08-24 Luke Rodriguez , Bill Howe

Similar to the majority of deep learning applications, diagnosing skin diseases using computer vision and deep learning often requires a large volume of data. However, obtaining sufficient data for particular types of facial skin conditions…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Anwesha Mohanty , Alistair Sutherland , Marija Bezbradica , Hossein Javidnia

Face anti-spoofing is crucial for the security of face recognition systems. Learning based methods especially deep learning based methods need large-scale training samples to reduce overfitting. However, acquiring spoof data is very…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Jianzhu Guo , Xiangyu Zhu , Jinchuan Xiao , Zhen Lei , Genxun Wan , Stan Z. Li

Retrieval-augmented generation (RAG) enhances the outputs of language models by integrating relevant information retrieved from external knowledge sources. However, when the retrieval process involves private data, RAG systems may face…

密码学与安全 · 计算机科学 2025-02-21 Shenglai Zeng , Jiankun Zhang , Pengfei He , Jie Ren , Tianqi Zheng , Hanqing Lu , Han Xu , Hui Liu , Yue Xing , Jiliang Tang

Synthetic data generation is gaining traction as a privacy enhancing technology (PET). When properly generated, synthetic data preserve the analytic utility of real data while avoiding the retention of information that would allow the…

Generative adversarial networks (GANs) are able to generate high resolution photo-realistic images of objects that "do not exist." These synthetic images are rather difficult to detect as fake. However, the manner in which these generative…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Patrick Tinsley , Adam Czajka , Patrick Flynn

Multiple synthetic data generation models have emerged, among which deep learning models have become the vanguard due to their ability to capture the underlying characteristics of the original data. However, the resemblance of the synthetic…

机器学习 · 计算机科学 2024-06-06 Carolina Trindade , Luís Antunes , Tânia Carvalho , Nuno Moniz

The increasing use of machine learning in learning analytics (LA) has raised significant concerns around algorithmic fairness and privacy. Synthetic data has emerged as a dual-purpose tool, enhancing privacy and improving fairness in LA…

机器学习 · 计算机科学 2026-05-21 Qinyi Liu , Oscar Deho , Sam Urmian , Mohammad Khalil , Srecko Joksimovic , George Siemens

As data-driven and AI-based decision making gains widespread adoption across disciplines, it is crucial that both data privacy and decision fairness are appropriately addressed. Although differential privacy (DP) provides a robust framework…

机器学习 · 计算机科学 2025-10-21 Spencer Giddens , Xiaon Lang , Fang Liu

High quality data is needed to unlock the full potential of AI for end users. However finding new sources of such data is getting harder: most publicly-available human generated data will soon have been used. Additionally, publicly…

Synthetic data has gained significant momentum thanks to sophisticated machine learning tools that enable the synthesis of high-dimensional datasets. However, many generation techniques do not give the data controller control over what…

For a machine learning model to generalize effectively to unseen data within a particular problem domain, it is well-understood that the data needs to be of sufficient size and representative of real-world scenarios. Nonetheless, real-world…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Kidist Amde Mekonnen

Generative Adversarial Networks (GANs) are widely adapted for anonymization of human figures. However, current state-of-the-art limit anonymization to the task of face anonymization. In this paper, we propose a novel anonymization framework…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Håkon Hukkelås , Frank Lindseth
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