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Generative models such as StyleGAN2 and Stable Diffusion have achieved state-of-the-art performance in computer vision tasks such as image synthesis, inpainting, and de-noising. However, current generative models for face inpainting often…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Saman Motamed , Jianjin Xu , Chen Henry Wu , Fernando De la Torre

Classical techniques for protecting facial image privacy typically fall into two categories: data-poisoning methods, exemplified by Fawkes, which introduce subtle perturbations to images, or anonymization methods that generate images…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Mariia Zameshina , Marlene Careil , Olivier Teytaud , Laurent Najman

We introduce Private Collection Matching (PCM) problems, in which a client aims to determine whether a collection of sets owned by a server matches their interests. Existing privacy-preserving cryptographic primitives cannot solve PCM…

密码学与安全 · 计算机科学 2022-12-15 Kasra EdalatNejad , Mathilde Raynal , Wouter Lueks , Carmela Troncoso

Deep generative models are often trained on sensitive data, such as genetic sequences, health data, or more broadly, any copyrighted, licensed or protected content. This raises critical concerns around privacy-preserving synthetic data, and…

Data privacy protection is garnering increased attention among researchers. Diffusion models (DMs), particularly with strict differential privacy, can potentially produce images with both high privacy and visual quality. However, challenges…

机器学习 · 计算机科学 2024-12-09 Qipan Xu , Youlong Ding , Xinxi Zhang , Jie Gao , Hao Wang

Facial recognition models are increasingly employed by commercial enterprises, government agencies, and cloud service providers for identity verification, consumer services, and surveillance. These models are often trained using vast…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chen Chen , Mengyuan Sun , Xueluan Gong , Yanjiao Chen , Qian Wang

Due to the data-driven nature of current face identity (FaceID) customization methods, all state-of-the-art models rely on large-scale datasets containing millions of high-quality text-image pairs for training. However, none of these…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Shuhe Wang , Xiaoya Li , Jiwei Li , Guoyin Wang , Xiaofei Sun , Bob Zhu , Han Qiu , Mo Yu , Shengjie Shen , Tianwei Zhang , Eduard Hovy

Parameter-Efficient Fine-Tuning (PEFT) provides a practical way for users to customize Large Language Models (LLMs) with their private data in LLM service scenarios. However, the inherently sensitive nature of private data demands robust…

计算与语言 · 计算机科学 2025-10-13 Yansong Li , Zhixing Tan , Paula Branco , Yang Liu

Extracting accurate foregrounds from natural images benefits many downstream applications such as film production and augmented reality. However, the furry characteristics and various appearance of the foregrounds, e.g., animal and…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Jizhizi Li , Jing Zhang , Stephen J. Maybank , Dacheng Tao

The availability of large amounts of informative data is crucial for successful machine learning. However, in domains with sensitive information, the release of high-utility data which protects the privacy of individuals has proven…

机器学习 · 计算机科学 2023-07-06 Tamas Madl , Weijie Xu , Olivia Choudhury , Matthew Howard

We propose a novel architecture which is able to automatically anonymize faces in images while retaining the original data distribution. We ensure total anonymization of all faces in an image by generating images exclusively on privacy-safe…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Håkon Hukkelås , Rudolf Mester , Frank Lindseth

Designing a lightweight and robust portrait segmentation algorithm is an important task for a wide range of face applications. However, the problem has been considered as a subset of the object segmentation problem. bviously, portrait…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Hyojin Park , Lars Lowe Sjösund , YoungJoon Yoo , Jihwan Bang , Nojun Kwak

Face privacy-preserving is one of the hotspots that arises dramatic interests of research. However, the existing face privacy-preserving methods aim at causing the missing of semantic information of face and cannot preserve the reusability…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Yang Yang , Yiyang Huang , Ming Shi , Kejiang Chen , Weiming Zhang , Nenghai Yu

Enabling highly secure applications (such as border crossing) with face recognition requires extensive biometric performance tests through large scale data. However, using real face images raises concerns about privacy as the laws do not…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Marcel Grimmer , Haoyu Zhang , Raghavendra Ramachandra , Kiran Raja , Christoph Busch

Machine Learning (ML) is crucial in many sectors, including computer vision. However, ML models trained on sensitive data face security challenges, as they can be attacked and leak information. Privacy-Preserving Machine Learning (PPML)…

机器学习 · 计算机科学 2026-02-03 Lucas Lange , Maurice-Maximilian Heykeroth , Erhard Rahm

Single nucleotide polymorphism (SNP) datasets are fundamental to genetic studies but pose significant privacy risks when shared. The correlation of SNPs with each other makes strong adversarial attacks such as masked-value reconstruction,…

机器学习 · 计算机科学 2025-10-08 Shadi Rahimian , Mario Fritz

Scalability is a significant challenge when it comes to applying differential privacy to training deep neural networks. The commonly used DP-SGD algorithm struggles to maintain a high level of privacy protection while achieving high…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Kamil Adamczewski , Yingchen He , Mijung Park

Image matting is an ill-posed problem that aims to estimate the opacity of foreground pixels in an image. However, most existing deep learning-based methods still suffer from the coarse-grained details. In general, these algorithms are…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Yuhao Liu , Jiake Xie , Yu Qiao , Yong Tang and , Xin Yang

Deep learning holds immense promise for aiding radiologists in breast cancer detection. However, achieving optimal model performance is hampered by limitations in availability and sharing of data commonly associated to patient privacy…

To develop effective and efficient graph similarity learning (GSL) models, a series of data-driven neural algorithms have been proposed in recent years. Although GSL models are frequently deployed in privacy-sensitive scenarios, the user…

机器学习 · 计算机科学 2022-10-24 Yupeng Hou , Wayne Xin Zhao , Yaliang Li , Ji-Rong Wen