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The challenge in sourcing attribution for forgery faces has gained widespread attention due to the rapid development of generative techniques. While many recent works have taken essential steps on GAN-generated faces, more threatening…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Zhimin Sun , Shen Chen , Taiping Yao , Bangjie Yin , Ran Yi , Shouhong Ding , Lizhuang Ma

In this paper, we introduce PrivDFS, a distributed feature-sharing framework for input-private inference in image classification. A single holistic intermediate representation in split inference gives diffusion-based Data Reconstruction…

机器学习 · 计算机科学 2025-11-17 Zihan Liu , Jiayi Wen , Junru Wu , Xuyang Zou , Shouhong Tan , Zhirun Zheng , Cheng Huang

Face anti-spoofing (a.k.a presentation attack detection) has drawn growing attention due to the high-security demand in face authentication systems. Existing CNN-based approaches usually well recognize the spoofing faces when training and…

计算机视觉与模式识别 · 计算机科学 2019-01-18 Xiaoguang Tu , Jian Zhao , Mei Xie , Guodong Du , Hengsheng Zhang , Jianshu Li , Zheng Ma , Jiashi Feng

Face personalization aims to insert specific faces, taken from images, into pretrained text-to-image diffusion models. However, it is still challenging for previous methods to preserve both the identity similarity and editability due to…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Kaede Shiohara , Toshihiko Yamasaki

Adversarial attacks on face recognition systems (FRSs) pose serious security and privacy threats, especially when these systems are used for identity verification. In this paper, we propose a novel method for generating adversarial…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Sunpill Kim , Seunghun Paik , Chanwoo Hwang , Minsu Kim , Jae Hong Seo

The increasing accessibility of image editing tools and generative AI has led to a proliferation of visually convincing forgeries, compromising the authenticity of digital media. In this paper, in addition to leveraging distortions from…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Youqi Wang , Shunquan Tan , Rongxuan Peng , Bin Li , Jiwu Huang

This work addresses the problem of anonymizing the identity of faces in a dataset of images, such that the privacy of those depicted is not violated, while at the same time the dataset is useful for downstream task such as for training…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Simone Barattin , Christos Tzelepis , Ioannis Patras , Nicu Sebe

Recent advances in autoencoders and generative models have given rise to effective video forgery methods, used for generating so-called "deepfakes". Mitigation research is mostly focused on post-factum deepfake detection and not on…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Eran Segalis , Eran Galili

Federated learning has been proposed as a privacy-preserving machine learning framework that enables multiple clients to collaborate without sharing raw data. However, client privacy protection is not guaranteed by design in this framework.…

密码学与安全 · 计算机科学 2022-10-17 Kai Yue , Richeng Jin , Chau-Wai Wong , Dror Baron , Huaiyu Dai

Out-of-distribution (OOD) detection recently has drawn attention due to its critical role in the safe deployment of modern neural network architectures in real-world applications. The OOD detectors aim to distinguish samples that lie…

信号处理 · 电气工程与系统科学 2023-06-16 Sabri Mustafa Kahya , Muhammet Sami Yavuz , Eckehard Steinbach

In this paper, we address the issue of face hallucination. Most current face hallucination methods rely on two-dimensional facial priors to generate high resolution face images from low resolution face images. These methods are only capable…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Shailza Sharma , Abhinav Dhall , Vinay Kumar

Despite multiple efforts made towards robust machine learning (ML) models, their vulnerability to adversarial examples remains a challenging problem that calls for rethinking the defense strategy. In this paper, we take a step back and…

机器学习 · 计算机科学 2022-02-21 Abderrahmen Amich , Birhanu Eshete

While convolutional neural networks (CNNs) have achieved success in computer vision tasks, it is vulnerable to backdoor attacks. Such attacks could mislead the victim model to make attacker-chosen prediction with a specific trigger pattern.…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Yanqi Qiao , Dazhuang Liu , Rui Wang , Kaitai Liang

In Virtual Reality (VR), adversarial attack remains a significant security threat. Most deep learning-based methods for physical and digital adversarial attacks focus on enhancing attack performance by crafting adversarial examples that…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Qianyu Guo , Jiaming Fu , Yawen Lu , Dongming Gan

Numerous style transfer methods which produce artistic styles of portraits have been proposed to date. However, the inverse problem of converting the stylized portraits back into realistic faces is yet to be investigated thoroughly.…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Fatemeh Shiri , Xin Yu , Fatih Porikli , Piotr Koniusz

In monocular depth estimation, uncertainty estimation approaches mainly target the data uncertainty introduced by image noise. In contrast to prior work, we address the uncertainty due to lack of knowledge, which is relevant for the…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Julia Hornauer , Adrian Holzbock , Vasileios Belagiannis

In order to protect vulnerable road users (VRUs), such as pedestrians or cyclists, it is essential that intelligent transportation systems (ITS) accurately identify them. Therefore, datasets used to train perception models of ITS must…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Marvin Klemp , Kevin Rösch , Royden Wagner , Jannik Quehl , Martin Lauer

Breakthroughs in unsupervised domain adaptation (uDA) can help in adapting models from a label-rich source domain to unlabeled target domains. Despite these advancements, there is a lack of research on how uDA algorithms, particularly those…

机器学习 · 计算机科学 2021-12-28 Shaoduo Gan , Akhil Mathur , Anton Isopoussu , Fahim Kawsar , Nadia Berthouze , Nicholas Lane

Rounding confidence score is considered trivial but a simple and effective countermeasure to stop gradient descent based image reconstruction attacks. However, its capability in the face of more sophisticated reconstruction attacks is an…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Hadi Mansourifar , Weidong Shi

Although face recognition systems have seen a massive performance enhancement in recent years, they are still targeted by threats such as presentation attacks, leading to the need for generalizable presentation attack detection (PAD)…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Guray Ozgur , Eduarda Caldeira , Tahar Chettaoui , Fadi Boutros , Raghavendra Ramachandra , Naser Damer